fdroidserver/update.py

   1 #!/usr/bin/env python3
   2 #
   3 # update.py - part of the FDroid server tools
   4 # Copyright (C) 2016, Blue Jay Wireless
   5 # Copyright (C) 2014-2016, Hans-Christoph Steiner <hans@eds.org>
   6 # Copyright (C) 2010-2015, Ciaran Gultnieks <ciaran@ciarang.com>
   7 # Copyright (C) 2013-2014, Daniel Martí <mvdan@mvdan.cc>
   8 #
   9 # This program is free software: you can redistribute it and/or modify
  10 # it under the terms of the GNU Affero General Public License as published by
  11 # the Free Software Foundation, either version 3 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU Affero General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU Affero General Public License
  20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 import sys
  23 import os
  24 import shutil
  25 import glob
  26 import re
  27 import socket
  28 import zipfile
  29 import hashlib
  30 import pickle
  31 import time
  32 from datetime import datetime
  33 from argparse import ArgumentParser
  34
  35 import collections
  36 from binascii import hexlify
  37
  38 from PIL import Image, PngImagePlugin
  39 import logging
  40
  41 from . import _
  42 from . import common
  43 from . import index
  44 from . import metadata
  45 from .common import SdkToolsPopen
  46 from .exception import BuildException, FDroidException
  47
  48 METADATA_VERSION = 19
  49
  50 # less than the valid range of versionCode, i.e. Java's Integer.MIN_VALUE
  51 UNSET_VERSION_CODE = -0x100000000
  52
  53 APK_NAME_PAT = re.compile(".*name='([a-zA-Z0-9._]*)'.*")
  54 APK_VERCODE_PAT = re.compile(".*versionCode='([0-9]*)'.*")
  55 APK_VERNAME_PAT = re.compile(".*versionName='([^']*)'.*")
  56 APK_LABEL_ICON_PAT = re.compile(".*\s+label='(.*)'\s+icon='(.*?)'")
  57 APK_SDK_VERSION_PAT = re.compile(".*'([0-9]*)'.*")
  58 APK_PERMISSION_PAT = \
  59     re.compile(".*(name='(?P<name>.*?)')(.*maxSdkVersion='(?P<maxSdkVersion>.*?)')?.*")
  60 APK_FEATURE_PAT = re.compile(".*name='([^']*)'.*")
  61
  62 screen_densities = ['65534', '640', '480', '320', '240', '160', '120']
  63 # resolutions must end with 'dpi'
  64 screen_resolutions = {
  65     "xxxhdpi": '640',
  66     "xxhdpi": '480',
  67     "xhdpi": '320',
  68     "hdpi": '240',
  69     "mdpi": '160',
  70     "ldpi": '120',
  71     "tvdpi": '213',
  72     "undefineddpi": '-1',
  73     "anydpi": '65534',
  74     "nodpi": '65535'
  75 }
  76
  77 all_screen_densities = ['0'] + screen_densities
  78
  79 UsesPermission = collections.namedtuple('UsesPermission', ['name', 'maxSdkVersion'])
  80 UsesPermissionSdk23 = collections.namedtuple('UsesPermissionSdk23', ['name', 'maxSdkVersion'])
  81
  82 ALLOWED_EXTENSIONS = ('png', 'jpg', 'jpeg')
  83 GRAPHIC_NAMES = ('featureGraphic', 'icon', 'promoGraphic', 'tvBanner')
  84 SCREENSHOT_DIRS = ('phoneScreenshots', 'sevenInchScreenshots',
  85                    'tenInchScreenshots', 'tvScreenshots', 'wearScreenshots')
  86
  87 BLANK_PNG_INFO = PngImagePlugin.PngInfo()
  88
  89
  90 def dpi_to_px(density):
  91     return (int(density) * 48) / 160
  92
  93
  94 def px_to_dpi(px):
  95     return (int(px) * 160) / 48
  96
  97
  98 def get_icon_dir(repodir, density):
  99     if density == '0' or density == '65534':
 100         return os.path.join(repodir, "icons")
 101     else:
 102         return os.path.join(repodir, "icons-%s" % density)
 103
 104
 105 def get_icon_dirs(repodir):
 106     for density in screen_densities:
 107         yield get_icon_dir(repodir, density)
 108
 109
 110 def get_all_icon_dirs(repodir):
 111     for density in all_screen_densities:
 112         yield get_icon_dir(repodir, density)
 113
 114
 115 def update_wiki(apps, sortedids, apks):
 116     """Update the wiki
 117
 118     :param apps: fully populated list of all applications
 119     :param apks: all apks, except...
 120     """
 121     logging.info("Updating wiki")
 122     wikicat = 'Apps'
 123     wikiredircat = 'App Redirects'
 124     import mwclient
 125     site = mwclient.Site((config['wiki_protocol'], config['wiki_server']),
 126                          path=config['wiki_path'])
 127     site.login(config['wiki_user'], config['wiki_password'])
 128     generated_pages = {}
 129     generated_redirects = {}
 130
 131     for appid in sortedids:
 132         app = metadata.App(apps[appid])
 133
 134         wikidata = ''
 135         if app.Disabled:
 136             wikidata += '{{Disabled|' + app.Disabled + '}}\n'
 137         if app.AntiFeatures:
 138             for af in sorted(app.AntiFeatures):
 139                 wikidata += '{{AntiFeature|' + af + '}}\n'
 140         if app.RequiresRoot:
 141             requiresroot = 'Yes'
 142         else:
 143             requiresroot = 'No'
 144         wikidata += '{{App|id=%s|name=%s|added=%s|lastupdated=%s|source=%s|tracker=%s|web=%s|changelog=%s|donate=%s|flattr=%s|liberapay=%s|bitcoin=%s|litecoin=%s|license=%s|root=%s|author=%s|email=%s}}\n' % (
 145             appid,
 146             app.Name,
 147             app.added.strftime('%Y-%m-%d') if app.added else '',
 148             app.lastUpdated.strftime('%Y-%m-%d') if app.lastUpdated else '',
 149             app.SourceCode,
 150             app.IssueTracker,
 151             app.WebSite,
 152             app.Changelog,
 153             app.Donate,
 154             app.FlattrID,
 155             app.LiberapayID,
 156             app.Bitcoin,
 157             app.Litecoin,
 158             app.License,
 159             requiresroot,
 160             app.AuthorName,
 161             app.AuthorEmail)
 162
 163         if app.Provides:
 164             wikidata += "This app provides: %s" % ', '.join(app.Summary.split(','))
 165
 166         wikidata += app.Summary
 167         wikidata += " - [https://f-droid.org/repository/browse/?fdid=" + appid + " view in repository]\n\n"
 168
 169         wikidata += "=Description=\n"
 170         wikidata += metadata.description_wiki(app.Description) + "\n"
 171
 172         wikidata += "=Maintainer Notes=\n"
 173         if app.MaintainerNotes:
 174             wikidata += metadata.description_wiki(app.MaintainerNotes) + "\n"
 175         wikidata += "\nMetadata: [https://gitlab.com/fdroid/fdroiddata/blob/master/metadata/{0}.txt current] [https://gitlab.com/fdroid/fdroiddata/commits/master/metadata/{0}.txt history]\n".format(appid)
 176
 177         # Get a list of all packages for this application...
 178         apklist = []
 179         gotcurrentver = False
 180         cantupdate = False
 181         buildfails = False
 182         for apk in apks:
 183             if apk['packageName'] == appid:
 184                 if str(apk['versionCode']) == app.CurrentVersionCode:
 185                     gotcurrentver = True
 186                 apklist.append(apk)
 187         # Include ones we can't build, as a special case...
 188         for build in app.builds:
 189             if build.disable:
 190                 if build.versionCode == app.CurrentVersionCode:
 191                     cantupdate = True
 192                 # TODO: Nasty: vercode is a string in the build, and an int elsewhere
 193                 apklist.append({'versionCode': int(build.versionCode),
 194                                 'versionName': build.versionName,
 195                                 'buildproblem': "The build for this version was manually disabled. Reason: {0}".format(build.disable),
 196                                 })
 197             else:
 198                 builtit = False
 199                 for apk in apklist:
 200                     if apk['versionCode'] == int(build.versionCode):
 201                         builtit = True
 202                         break
 203                 if not builtit:
 204                     buildfails = True
 205                     apklist.append({'versionCode': int(build.versionCode),
 206                                     'versionName': build.versionName,
 207                                     'buildproblem': "The build for this version appears to have failed. Check the [[{0}/lastbuild_{1}|build log]].".format(appid, build.versionCode),
 208                                     })
 209         if app.CurrentVersionCode == '0':
 210             cantupdate = True
 211         # Sort with most recent first...
 212         apklist = sorted(apklist, key=lambda apk: apk['versionCode'], reverse=True)
 213
 214         wikidata += "=Versions=\n"
 215         if len(apklist) == 0:
 216             wikidata += "We currently have no versions of this app available."
 217         elif not gotcurrentver:
 218             wikidata += "We don't have the current version of this app."
 219         else:
 220             wikidata += "We have the current version of this app."
 221         wikidata += " (Check mode: " + app.UpdateCheckMode + ") "
 222         wikidata += " (Auto-update mode: " + app.AutoUpdateMode + ")\n\n"
 223         if len(app.NoSourceSince) > 0:
 224             wikidata += "This application has partially or entirely been missing source code since version " + app.NoSourceSince + ".\n\n"
 225         if len(app.CurrentVersion) > 0:
 226             wikidata += "The current (recommended) version is " + app.CurrentVersion
 227             wikidata += " (version code " + app.CurrentVersionCode + ").\n\n"
 228         validapks = 0
 229         for apk in apklist:
 230             wikidata += "==" + apk['versionName'] + "==\n"
 231
 232             if 'buildproblem' in apk:
 233                 wikidata += "We can't build this version: " + apk['buildproblem'] + "\n\n"
 234             else:
 235                 validapks += 1
 236                 wikidata += "This version is built and signed by "
 237                 if 'srcname' in apk:
 238                     wikidata += "F-Droid, and guaranteed to correspond to the source tarball published with it.\n\n"
 239                 else:
 240                     wikidata += "the original developer.\n\n"
 241             wikidata += "Version code: " + str(apk['versionCode']) + '\n'
 242
 243         wikidata += '\n[[Category:' + wikicat + ']]\n'
 244         if len(app.NoSourceSince) > 0:
 245             wikidata += '\n[[Category:Apps missing source code]]\n'
 246         if validapks == 0 and not app.Disabled:
 247             wikidata += '\n[[Category:Apps with no packages]]\n'
 248         if cantupdate and not app.Disabled:
 249             wikidata += "\n[[Category:Apps we cannot update]]\n"
 250         if buildfails and not app.Disabled:
 251             wikidata += "\n[[Category:Apps with failing builds]]\n"
 252         elif not gotcurrentver and not cantupdate and not app.Disabled and app.UpdateCheckMode != "Static":
 253             wikidata += '\n[[Category:Apps to Update]]\n'
 254         if app.Disabled:
 255             wikidata += '\n[[Category:Apps that are disabled]]\n'
 256         if app.UpdateCheckMode == 'None' and not app.Disabled:
 257             wikidata += '\n[[Category:Apps with no update check]]\n'
 258         for appcat in app.Categories:
 259             wikidata += '\n[[Category:{0}]]\n'.format(appcat)
 260
 261         # We can't have underscores in the page name, even if they're in
 262         # the package ID, because MediaWiki messes with them...
 263         pagename = appid.replace('_', ' ')
 264
 265         # Drop a trailing newline, because mediawiki is going to drop it anyway
 266         # and it we don't we'll think the page has changed when it hasn't...
 267         if wikidata.endswith('\n'):
 268             wikidata = wikidata[:-1]
 269
 270         generated_pages[pagename] = wikidata
 271
 272         # Make a redirect from the name to the ID too, unless there's
 273         # already an existing page with the name and it isn't a redirect.
 274         noclobber = False
 275         apppagename = app.Name
 276         for ch in '_{}:[]|':
 277             apppagename = apppagename.replace(ch, ' ')
 278         # Drop double spaces caused mostly by replacing ':' above
 279         apppagename = apppagename.replace('  ', ' ')
 280         for expagename in site.allpages(prefix=apppagename,
 281                                         filterredir='nonredirects',
 282                                         generator=False):
 283             if expagename == apppagename:
 284                 noclobber = True
 285         # Another reason not to make the redirect page is if the app name
 286         # is the same as it's ID, because that will overwrite the real page
 287         # with an redirect to itself! (Although it seems like an odd
 288         # scenario this happens a lot, e.g. where there is metadata but no
 289         # builds or binaries to extract a name from.
 290         if apppagename == pagename:
 291             noclobber = True
 292         if not noclobber:
 293             generated_redirects[apppagename] = "#REDIRECT [[" + pagename + "]]\n[[Category:" + wikiredircat + "]]"
 294
 295     for tcat, genp in [(wikicat, generated_pages),
 296                        (wikiredircat, generated_redirects)]:
 297         catpages = site.Pages['Category:' + tcat]
 298         existingpages = []
 299         for page in catpages:
 300             existingpages.append(page.name)
 301             if page.name in genp:
 302                 pagetxt = page.text()
 303                 if pagetxt != genp[page.name]:
 304                     logging.debug("Updating modified page " + page.name)
 305                     page.save(genp[page.name], summary='Auto-updated')
 306                 else:
 307                     logging.debug("Page " + page.name + " is unchanged")
 308             else:
 309                 logging.warn("Deleting page " + page.name)
 310                 page.delete('No longer published')
 311         for pagename, text in genp.items():
 312             logging.debug("Checking " + pagename)
 313             if pagename not in existingpages:
 314                 logging.debug("Creating page " + pagename)
 315                 try:
 316                     newpage = site.Pages[pagename]
 317                     newpage.save(text, summary='Auto-created')
 318                 except Exception as e:
 319                     logging.error("...FAILED to create page '{0}': {1}".format(pagename, e))
 320
 321     # Purge server cache to ensure counts are up to date
 322     site.Pages['Repository Maintenance'].purge()
 323
 324     # Write a page with the last build log for this version code
 325     wiki_page_path = 'update_' + time.strftime('%s', start_timestamp)
 326     newpage = site.Pages[wiki_page_path]
 327     txt = ''
 328     txt += "* command line: <code>" + ' '.join(sys.argv) + "</code>\n"
 329     txt += "* started at " + common.get_wiki_timestamp(start_timestamp) + '\n'
 330     txt += "* completed at " + common.get_wiki_timestamp() + '\n'
 331     txt += common.get_git_describe_link()
 332     txt += "\n\n"
 333     txt += common.get_android_tools_version_log()
 334     newpage.save(txt, summary='Run log')
 335     newpage = site.Pages['update']
 336     newpage.save('#REDIRECT [[' + wiki_page_path + ']]', summary='Update redirect')
 337
 338
 339 def delete_disabled_builds(apps, apkcache, repodirs):
 340     """Delete disabled build outputs.
 341
 342     :param apps: list of all applications, as per metadata.read_metadata
 343     :param apkcache: current apk cache information
 344     :param repodirs: the repo directories to process
 345     """
 346     for appid, app in apps.items():
 347         for build in app['builds']:
 348             if not build.disable:
 349                 continue
 350             apkfilename = common.get_release_filename(app, build)
 351             iconfilename = "%s.%s.png" % (
 352                 appid,
 353                 build.versionCode)
 354             for repodir in repodirs:
 355                 files = [
 356                     os.path.join(repodir, apkfilename),
 357                     os.path.join(repodir, apkfilename + '.asc'),
 358                     os.path.join(repodir, apkfilename[:-4] + "_src.tar.gz"),
 359                 ]
 360                 for density in all_screen_densities:
 361                     repo_dir = get_icon_dir(repodir, density)
 362                     files.append(os.path.join(repo_dir, iconfilename))
 363
 364                 for f in files:
 365                     if os.path.exists(f):
 366                         logging.info("Deleting disabled build output " + f)
 367                         os.remove(f)
 368             if apkfilename in apkcache:
 369                 del apkcache[apkfilename]
 370
 371
 372 def resize_icon(iconpath, density):
 373
 374     if not os.path.isfile(iconpath):
 375         return
 376
 377     fp = None
 378     try:
 379         fp = open(iconpath, 'rb')
 380         im = Image.open(fp)
 381         size = dpi_to_px(density)
 382
 383         if any(length > size for length in im.size):
 384             oldsize = im.size
 385             im.thumbnail((size, size), Image.ANTIALIAS)
 386             logging.debug("%s was too large at %s - new size is %s" % (
 387                 iconpath, oldsize, im.size))
 388             im.save(iconpath, "PNG", optimize=True,
 389                     pnginfo=BLANK_PNG_INFO, icc_profile=None)
 390
 391     except Exception as e:
 392         logging.error(_("Failed resizing {path}: {error}".format(path=iconpath, error=e)))
 393
 394     finally:
 395         if fp:
 396             fp.close()
 397
 398
 399 def resize_all_icons(repodirs):
 400     """Resize all icons that exceed the max size
 401
 402     :param repodirs: the repo directories to process
 403     """
 404     for repodir in repodirs:
 405         for density in screen_densities:
 406             icon_dir = get_icon_dir(repodir, density)
 407             icon_glob = os.path.join(icon_dir, '*.png')
 408             for iconpath in glob.glob(icon_glob):
 409                 resize_icon(iconpath, density)
 410
 411
 412 def getsig(apkpath):
 413     """ Get the signing certificate of an apk. To get the same md5 has that
 414     Android gets, we encode the .RSA certificate in a specific format and pass
 415     it hex-encoded to the md5 digest algorithm.
 416
 417     :param apkpath: path to the apk
 418     :returns: A string containing the md5 of the signature of the apk or None
 419               if an error occurred.
 420     """
 421
 422     with zipfile.ZipFile(apkpath, 'r') as apk:
 423         certs = [n for n in apk.namelist() if common.CERT_PATH_REGEX.match(n)]
 424
 425         if len(certs) < 1:
 426             logging.error(_("No signing certificates found in {path}").format(path=apkpath))
 427             return None
 428         if len(certs) > 1:
 429             logging.error(_("Found multiple signing certificates in {path}").format(path=apkpath))
 430             return None
 431
 432         cert = apk.read(certs[0])
 433
 434     cert_encoded = common.get_certificate(cert)
 435
 436     return hashlib.md5(hexlify(cert_encoded)).hexdigest()
 437
 438
 439 def get_cache_file():
 440     return os.path.join('tmp', 'apkcache')
 441
 442
 443 def get_cache():
 444     """Get the cached dict of the APK index
 445
 446     Gather information about all the apk files in the repo directory,
 447     using cached data if possible. Some of the index operations take a
 448     long time, like calculating the SHA-256 and verifying the APK
 449     signature.
 450
 451     The cache is invalidated if the metadata version is different, or
 452     the 'allow_disabled_algorithms' config/option is different.  In
 453     those cases, there is no easy way to know what has changed from
 454     the cache, so just rerun the whole thing.
 455
 456     :return: apkcache
 457
 458     """
 459     apkcachefile = get_cache_file()
 460     ada = options.allow_disabled_algorithms or config['allow_disabled_algorithms']
 461     if not options.clean and os.path.exists(apkcachefile):
 462         with open(apkcachefile, 'rb') as cf:
 463             apkcache = pickle.load(cf, encoding='utf-8')
 464         if apkcache.get("METADATA_VERSION") != METADATA_VERSION \
 465            or apkcache.get('allow_disabled_algorithms') != ada:
 466             apkcache = {}
 467     else:
 468         apkcache = {}
 469
 470     apkcache["METADATA_VERSION"] = METADATA_VERSION
 471     apkcache['allow_disabled_algorithms'] = ada
 472
 473     return apkcache
 474
 475
 476 def write_cache(apkcache):
 477     apkcachefile = get_cache_file()
 478     cache_path = os.path.dirname(apkcachefile)
 479     if not os.path.exists(cache_path):
 480         os.makedirs(cache_path)
 481     with open(apkcachefile, 'wb') as cf:
 482         pickle.dump(apkcache, cf)
 483
 484
 485 def get_icon_bytes(apkzip, iconsrc):
 486     '''ZIP has no official encoding, UTF-* and CP437 are defacto'''
 487     try:
 488         return apkzip.read(iconsrc)
 489     except KeyError:
 490         return apkzip.read(iconsrc.encode('utf-8').decode('cp437'))
 491
 492
 493 def sha256sum(filename):
 494     '''Calculate the sha256 of the given file'''
 495     sha = hashlib.sha256()
 496     with open(filename, 'rb') as f:
 497         while True:
 498             t = f.read(16384)
 499             if len(t) == 0:
 500                 break
 501             sha.update(t)
 502     return sha.hexdigest()
 503
 504
 505 def has_known_vulnerability(filename):
 506     """checks for known vulnerabilities in the APK
 507
 508     Checks OpenSSL .so files in the APK to see if they are a known vulnerable
 509     version.  Google also enforces this:
 510     https://support.google.com/faqs/answer/6376725?hl=en
 511
 512     Checks whether there are more than one classes.dex or AndroidManifest.xml
 513     files, which is invalid and an essential part of the "Master Key" attack.
 514     http://www.saurik.com/id/17
 515
 516     Janus is similar to Master Key but is perhaps easier to scan for.
 517     https://www.guardsquare.com/en/blog/new-android-vulnerability-allows-attackers-modify-apps-without-affecting-their-signatures
 518     """
 519
 520     found_vuln = False
 521
 522     # statically load this pattern
 523     if not hasattr(has_known_vulnerability, "pattern"):
 524         has_known_vulnerability.pattern = re.compile(b'.*OpenSSL ([01][0-9a-z.-]+)')
 525
 526     with open(filename.encode(), 'rb') as fp:
 527         first4 = fp.read(4)
 528     if first4 != b'\x50\x4b\x03\x04':
 529         raise FDroidException(_('{path} has bad file signature "{pattern}", possible Janus exploit!')
 530                               .format(path=filename, pattern=first4.decode().replace('\n', ' ')) + '\n'
 531                               + 'https://www.guardsquare.com/en/blog/new-android-vulnerability-allows-attackers-modify-apps-without-affecting-their-signatures')
 532
 533     files_in_apk = set()
 534     with zipfile.ZipFile(filename) as zf:
 535         for name in zf.namelist():
 536             if name.endswith('libcrypto.so') or name.endswith('libssl.so'):
 537                 lib = zf.open(name)
 538                 while True:
 539                     chunk = lib.read(4096)
 540                     if chunk == b'':
 541                         break
 542                     m = has_known_vulnerability.pattern.search(chunk)
 543                     if m:
 544                         version = m.group(1).decode('ascii')
 545                         if (version.startswith('1.0.1') and len(version) > 5 and version[5] >= 'r') \
 546                            or (version.startswith('1.0.2') and len(version) > 5 and version[5] >= 'f') \
 547                            or re.match(r'[1-9]\.[1-9]\.[0-9].*', version):
 548                             logging.debug(_('"{path}" contains recent {name} ({version})')
 549                                           .format(path=filename, name=name, version=version))
 550                         else:
 551                             logging.warning(_('"{path}" contains outdated {name} ({version})')
 552                                             .format(path=filename, name=name, version=version))
 553                             found_vuln = True
 554                         break
 555             elif name == 'AndroidManifest.xml' or name == 'classes.dex' or name.endswith('.so'):
 556                 if name in files_in_apk:
 557                     logging.warning(_('{apkfilename} has multiple {name} files, looks like Master Key exploit!')
 558                                     .format(apkfilename=filename, name=name))
 559                     found_vuln = True
 560                 files_in_apk.add(name)
 561     return found_vuln
 562
 563
 564 def insert_obbs(repodir, apps, apks):
 565     """Scans the .obb files in a given repo directory and adds them to the
 566     relevant APK instances.  OBB files have versionCodes like APK
 567     files, and they are loosely associated.  If there is an OBB file
 568     present, then any APK with the same or higher versionCode will use
 569     that OBB file.  There are two OBB types: main and patch, each APK
 570     can only have only have one of each.
 571
 572     https://developer.android.com/google/play/expansion-files.html
 573
 574     :param repodir: repo directory to scan
 575     :param apps: list of current, valid apps
 576     :param apks: current information on all APKs
 577
 578     """
 579
 580     def obbWarnDelete(f, msg):
 581         logging.warning(msg + ' ' + f)
 582         if options.delete_unknown:
 583             logging.error(_("Deleting unknown file: {path}").format(path=f))
 584             os.remove(f)
 585
 586     obbs = []
 587     java_Integer_MIN_VALUE = -pow(2, 31)
 588     currentPackageNames = apps.keys()
 589     for f in glob.glob(os.path.join(repodir, '*.obb')):
 590         obbfile = os.path.basename(f)
 591         # obbfile looks like: [main|patch].<expansion-version>.<package-name>.obb
 592         chunks = obbfile.split('.')
 593         if chunks[0] != 'main' and chunks[0] != 'patch':
 594             obbWarnDelete(f, _('OBB filename must start with "main." or "patch.":'))
 595             continue
 596         if not re.match(r'^-?[0-9]+$', chunks[1]):
 597             obbWarnDelete(f, _('The OBB version code must come after "{name}.":')
 598                           .format(name=chunks[0]))
 599             continue
 600         versionCode = int(chunks[1])
 601         packagename = ".".join(chunks[2:-1])
 602
 603         highestVersionCode = java_Integer_MIN_VALUE
 604         if packagename not in currentPackageNames:
 605             obbWarnDelete(f, _("OBB's packagename does not match a supported APK:"))
 606             continue
 607         for apk in apks:
 608             if packagename == apk['packageName'] and apk['versionCode'] > highestVersionCode:
 609                 highestVersionCode = apk['versionCode']
 610         if versionCode > highestVersionCode:
 611             obbWarnDelete(f, _('OBB file has newer versionCode({integer}) than any APK:')
 612                           .format(integer=str(versionCode)))
 613             continue
 614         obbsha256 = sha256sum(f)
 615         obbs.append((packagename, versionCode, obbfile, obbsha256))
 616
 617     for apk in apks:
 618         for (packagename, versionCode, obbfile, obbsha256) in sorted(obbs, reverse=True):
 619             if versionCode <= apk['versionCode'] and packagename == apk['packageName']:
 620                 if obbfile.startswith('main.') and 'obbMainFile' not in apk:
 621                     apk['obbMainFile'] = obbfile
 622                     apk['obbMainFileSha256'] = obbsha256
 623                 elif obbfile.startswith('patch.') and 'obbPatchFile' not in apk:
 624                     apk['obbPatchFile'] = obbfile
 625                     apk['obbPatchFileSha256'] = obbsha256
 626             if 'obbMainFile' in apk and 'obbPatchFile' in apk:
 627                 break
 628
 629
 630 def translate_per_build_anti_features(apps, apks):
 631     """Grab the anti-features list from the build metadata
 632
 633     For most Anti-Features, they are really most applicable per-APK,
 634     not for an app.  An app can fix a vulnerability, add/remove
 635     tracking, etc.  This reads the 'antifeatures' list from the Build
 636     entries in the fdroiddata metadata file, then transforms it into
 637     the 'antiFeatures' list of unique items for the index.
 638
 639     The field key is all lower case in the metadata file to match the
 640     rest of the Build fields.  It is 'antiFeatures' camel case in the
 641     implementation, index, and fdroidclient since it is translated
 642     from the build 'antifeatures' field, not directly included.
 643
 644     """
 645
 646     antiFeatures = dict()
 647     for packageName, app in apps.items():
 648         d = dict()
 649         for build in app['builds']:
 650             afl = build.get('antifeatures')
 651             if afl:
 652                 d[int(build.versionCode)] = afl
 653         if len(d) > 0:
 654             antiFeatures[packageName] = d
 655
 656     for apk in apks:
 657         d = antiFeatures.get(apk['packageName'])
 658         if d:
 659             afl = d.get(apk['versionCode'])
 660             if afl:
 661                 apk['antiFeatures'].update(afl)
 662
 663
 664 def _get_localized_dict(app, locale):
 665     '''get the dict to add localized store metadata to'''
 666     if 'localized' not in app:
 667         app['localized'] = collections.OrderedDict()
 668     if locale not in app['localized']:
 669         app['localized'][locale] = collections.OrderedDict()
 670     return app['localized'][locale]
 671
 672
 673 def _set_localized_text_entry(app, locale, key, f):
 674     limit = config['char_limits'][key]
 675     localized = _get_localized_dict(app, locale)
 676     with open(f) as fp:
 677         text = fp.read()[:limit]
 678         if len(text) > 0:
 679             localized[key] = text
 680
 681
 682 def _set_author_entry(app, key, f):
 683     limit = config['char_limits']['author']
 684     with open(f) as fp:
 685         text = fp.read()[:limit]
 686         if len(text) > 0:
 687             app[key] = text
 688
 689
 690 def _strip_and_copy_image(inpath, outpath):
 691     """Remove any metadata from image and copy it to new path
 692
 693     Sadly, image metadata like EXIF can be used to exploit devices.
 694     It is not used at all in the F-Droid ecosystem, so its much safer
 695     just to remove it entirely.
 696
 697     """
 698
 699     extension = common.get_extension(inpath)[1]
 700     if os.path.isdir(outpath):
 701         outpath = os.path.join(outpath, os.path.basename(inpath))
 702     if extension == 'png':
 703         with open(inpath, 'rb') as fp:
 704             in_image = Image.open(fp)
 705             in_image.save(outpath, "PNG", optimize=True,
 706                           pnginfo=BLANK_PNG_INFO, icc_profile=None)
 707     elif extension == 'jpg' or extension == 'jpeg':
 708         with open(inpath, 'rb') as fp:
 709             in_image = Image.open(fp)
 710             data = list(in_image.getdata())
 711             out_image = Image.new(in_image.mode, in_image.size)
 712         out_image.putdata(data)
 713         out_image.save(outpath, "JPEG", optimize=True)
 714     else:
 715         raise FDroidException(_('Unsupported file type "{extension}" for repo graphic')
 716                               .format(extension=extension))
 717
 718
 719 def copy_triple_t_store_metadata(apps):
 720     """Include store metadata from the app's source repo
 721
 722     The Triple-T Gradle Play Publisher is a plugin that has a standard
 723     file layout for all of the metadata and graphics that the Google
 724     Play Store accepts.  Since F-Droid has the git repo, it can just
 725     pluck those files directly.  This method reads any text files into
 726     the app dict, then copies any graphics into the fdroid repo
 727     directory structure.
 728
 729     This needs to be run before insert_localized_app_metadata() so that
 730     the graphics files that are copied into the fdroid repo get
 731     properly indexed.
 732
 733     https://github.com/Triple-T/gradle-play-publisher#upload-images
 734     https://github.com/Triple-T/gradle-play-publisher#play-store-metadata
 735
 736     """
 737
 738     if not os.path.isdir('build'):
 739         return  # nothing to do
 740
 741     for packageName, app in apps.items():
 742         for d in glob.glob(os.path.join('build', packageName, '*', 'src', '*', 'play')):
 743             logging.debug('Triple-T Gradle Play Publisher: ' + d)
 744             for root, dirs, files in os.walk(d):
 745                 segments = root.split('/')
 746                 locale = segments[-2]
 747                 for f in files:
 748                     if f == 'fulldescription':
 749                         _set_localized_text_entry(app, locale, 'description',
 750                                                   os.path.join(root, f))
 751                         continue
 752                     elif f == 'shortdescription':
 753                         _set_localized_text_entry(app, locale, 'summary',
 754                                                   os.path.join(root, f))
 755                         continue
 756                     elif f == 'title':
 757                         _set_localized_text_entry(app, locale, 'name',
 758                                                   os.path.join(root, f))
 759                         continue
 760                     elif f == 'video':
 761                         _set_localized_text_entry(app, locale, 'video',
 762                                                   os.path.join(root, f))
 763                         continue
 764                     elif f == 'whatsnew':
 765                         _set_localized_text_entry(app, segments[-1], 'whatsNew',
 766                                                   os.path.join(root, f))
 767                         continue
 768                     elif f == 'contactEmail':
 769                         _set_author_entry(app, 'authorEmail', os.path.join(root, f))
 770                         continue
 771                     elif f == 'contactPhone':
 772                         _set_author_entry(app, 'authorPhone', os.path.join(root, f))
 773                         continue
 774                     elif f == 'contactWebsite':
 775                         _set_author_entry(app, 'authorWebSite', os.path.join(root, f))
 776                         continue
 777
 778                     base, extension = common.get_extension(f)
 779                     dirname = os.path.basename(root)
 780                     if extension in ALLOWED_EXTENSIONS \
 781                        and (dirname in GRAPHIC_NAMES or dirname in SCREENSHOT_DIRS):
 782                         if segments[-2] == 'listing':
 783                             locale = segments[-3]
 784                         else:
 785                             locale = segments[-2]
 786                         destdir = os.path.join('repo', packageName, locale, dirname)
 787                         os.makedirs(destdir, mode=0o755, exist_ok=True)
 788                         sourcefile = os.path.join(root, f)
 789                         destfile = os.path.join(destdir, os.path.basename(f))
 790                         logging.debug('copying ' + sourcefile + ' ' + destfile)
 791                         _strip_and_copy_image(sourcefile, destfile)
 792
 793
 794 def insert_localized_app_metadata(apps):
 795     """scans standard locations for graphics and localized text
 796
 797     Scans for localized description files, store graphics, and
 798     screenshot PNG files in statically defined screenshots directory
 799     and adds them to the app metadata.  The screenshots and graphic
 800     must be PNG or JPEG files ending with ".png", ".jpg", or ".jpeg"
 801     and must be in the following layout:
 802     # TODO replace these docs with link to All_About_Descriptions_Graphics_and_Screenshots
 803
 804     repo/packageName/locale/featureGraphic.png
 805     repo/packageName/locale/phoneScreenshots/1.png
 806     repo/packageName/locale/phoneScreenshots/2.png
 807
 808     The changelog files must be text files named with the versionCode
 809     ending with ".txt" and must be in the following layout:
 810     https://github.com/fastlane/fastlane/blob/2.28.7/supply/README.md#changelogs-whats-new
 811
 812     repo/packageName/locale/changelogs/12345.txt
 813
 814     This will scan the each app's source repo then the metadata/ dir
 815     for these standard locations of changelog files.  If it finds
 816     them, they will be added to the dict of all packages, with the
 817     versions in the metadata/ folder taking precendence over the what
 818     is in the app's source repo.
 819
 820     Where "packageName" is the app's packageName and "locale" is the locale
 821     of the graphics, e.g. what language they are in, using the IETF RFC5646
 822     format (en-US, fr-CA, es-MX, etc).
 823
 824     This will also scan the app's git for a fastlane folder, and the
 825     metadata/ folder and the apps' source repos for standard locations
 826     of graphic and screenshot files.  If it finds them, it will copy
 827     them into the repo.  The fastlane files follow this pattern:
 828     https://github.com/fastlane/fastlane/blob/2.28.7/supply/README.md#images-and-screenshots
 829
 830     """
 831
 832     sourcedirs = glob.glob(os.path.join('build', '[A-Za-z]*', 'src', '[A-Za-z]*', 'fastlane', 'metadata', 'android', '[a-z][a-z]*'))
 833     sourcedirs += glob.glob(os.path.join('build', '[A-Za-z]*', 'fastlane', 'metadata', 'android', '[a-z][a-z]*'))
 834     sourcedirs += glob.glob(os.path.join('build', '[A-Za-z]*', 'metadata', '[a-z][a-z]*'))
 835     sourcedirs += glob.glob(os.path.join('metadata', '[A-Za-z]*', '[a-z][a-z]*'))
 836
 837     for srcd in sorted(sourcedirs):
 838         if not os.path.isdir(srcd):
 839             continue
 840         for root, dirs, files in os.walk(srcd):
 841             segments = root.split('/')
 842             packageName = segments[1]
 843             if packageName not in apps:
 844                 logging.debug(packageName + ' does not have app metadata, skipping l18n scan.')
 845                 continue
 846             locale = segments[-1]
 847             destdir = os.path.join('repo', packageName, locale)
 848
 849             # flavours specified in build receipt
 850             build_flavours = ""
 851             if apps[packageName] and 'builds' in apps[packageName] and len(apps[packageName].builds) > 0\
 852                     and 'gradle' in apps[packageName].builds[-1]:
 853                 build_flavours = apps[packageName].builds[-1].gradle
 854
 855             if len(segments) >= 5 and segments[4] == "fastlane" and segments[3] not in build_flavours:
 856                 logging.debug("ignoring due to wrong flavour")
 857                 continue
 858
 859             for f in files:
 860                 if f in ('description.txt', 'full_description.txt'):
 861                     _set_localized_text_entry(apps[packageName], locale, 'description',
 862                                               os.path.join(root, f))
 863                     continue
 864                 elif f in ('summary.txt', 'short_description.txt'):
 865                     _set_localized_text_entry(apps[packageName], locale, 'summary',
 866                                               os.path.join(root, f))
 867                     continue
 868                 elif f in ('name.txt', 'title.txt'):
 869                     _set_localized_text_entry(apps[packageName], locale, 'name',
 870                                               os.path.join(root, f))
 871                     continue
 872                 elif f == 'video.txt':
 873                     _set_localized_text_entry(apps[packageName], locale, 'video',
 874                                               os.path.join(root, f))
 875                     continue
 876                 elif f == str(apps[packageName]['CurrentVersionCode']) + '.txt':
 877                     locale = segments[-2]
 878                     _set_localized_text_entry(apps[packageName], locale, 'whatsNew',
 879                                               os.path.join(root, f))
 880                     continue
 881
 882                 base, extension = common.get_extension(f)
 883                 if locale == 'images':
 884                     locale = segments[-2]
 885                     destdir = os.path.join('repo', packageName, locale)
 886                 if base in GRAPHIC_NAMES and extension in ALLOWED_EXTENSIONS:
 887                     os.makedirs(destdir, mode=0o755, exist_ok=True)
 888                     logging.debug('copying ' + os.path.join(root, f) + ' ' + destdir)
 889                     _strip_and_copy_image(os.path.join(root, f), destdir)
 890             for d in dirs:
 891                 if d in SCREENSHOT_DIRS:
 892                     if locale == 'images':
 893                         locale = segments[-2]
 894                         destdir = os.path.join('repo', packageName, locale)
 895                     for f in glob.glob(os.path.join(root, d, '*.*')):
 896                         _ignored, extension = common.get_extension(f)
 897                         if extension in ALLOWED_EXTENSIONS:
 898                             screenshotdestdir = os.path.join(destdir, d)
 899                             os.makedirs(screenshotdestdir, mode=0o755, exist_ok=True)
 900                             logging.debug('copying ' + f + ' ' + screenshotdestdir)
 901                             _strip_and_copy_image(f, screenshotdestdir)
 902
 903     repofiles = sorted(glob.glob(os.path.join('repo', '[A-Za-z]*', '[a-z][a-z][A-Z-.@]*')))
 904     for d in repofiles:
 905         if not os.path.isdir(d):
 906             continue
 907         for f in sorted(glob.glob(os.path.join(d, '*.*')) + glob.glob(os.path.join(d, '*Screenshots', '*.*'))):
 908             if not os.path.isfile(f):
 909                 continue
 910             segments = f.split('/')
 911             packageName = segments[1]
 912             locale = segments[2]
 913             screenshotdir = segments[3]
 914             filename = os.path.basename(f)
 915             base, extension = common.get_extension(filename)
 916
 917             if packageName not in apps:
 918                 logging.warning(_('Found "{path}" graphic without metadata for app "{name}"!')
 919                                 .format(path=filename, name=packageName))
 920                 continue
 921             graphics = _get_localized_dict(apps[packageName], locale)
 922
 923             if extension not in ALLOWED_EXTENSIONS:
 924                 logging.warning(_('Only PNG and JPEG are supported for graphics, found: {path}').format(path=f))
 925             elif base in GRAPHIC_NAMES:
 926                 # there can only be zero or one of these per locale
 927                 graphics[base] = filename
 928             elif screenshotdir in SCREENSHOT_DIRS:
 929                 # there can any number of these per locale
 930                 logging.debug(_('adding to {name}: {path}').format(name=screenshotdir, path=f))
 931                 if screenshotdir not in graphics:
 932                     graphics[screenshotdir] = []
 933                 graphics[screenshotdir].append(filename)
 934             else:
 935                 logging.warning(_('Unsupported graphics file found: {path}').format(path=f))
 936
 937
 938 def scan_repo_files(apkcache, repodir, knownapks, use_date_from_file=False):
 939     """Scan a repo for all files with an extension except APK/OBB
 940
 941     :param apkcache: current cached info about all repo files
 942     :param repodir: repo directory to scan
 943     :param knownapks: list of all known files, as per metadata.read_metadata
 944     :param use_date_from_file: use date from file (instead of current date)
 945                                for newly added files
 946     """
 947
 948     cachechanged = False
 949     repo_files = []
 950     repodir = repodir.encode('utf-8')
 951     for name in os.listdir(repodir):
 952         file_extension = common.get_file_extension(name)
 953         if file_extension == 'apk' or file_extension == 'obb':
 954             continue
 955         filename = os.path.join(repodir, name)
 956         name_utf8 = name.decode('utf-8')
 957         if filename.endswith(b'_src.tar.gz'):
 958             logging.debug(_('skipping source tarball: {path}')
 959                           .format(path=filename.decode('utf-8')))
 960             continue
 961         if not common.is_repo_file(filename):
 962             continue
 963         stat = os.stat(filename)
 964         if stat.st_size == 0:
 965             raise FDroidException(_('{path} is zero size!')
 966                                   .format(path=filename))
 967
 968         shasum = sha256sum(filename)
 969         usecache = False
 970         if name in apkcache:
 971             repo_file = apkcache[name]
 972             # added time is cached as tuple but used here as datetime instance
 973             if 'added' in repo_file:
 974                 a = repo_file['added']
 975                 if isinstance(a, datetime):
 976                     repo_file['added'] = a
 977                 else:
 978                     repo_file['added'] = datetime(*a[:6])
 979             if repo_file.get('hash') == shasum:
 980                 logging.debug(_("Reading {apkfilename} from cache")
 981                               .format(apkfilename=name_utf8))
 982                 usecache = True
 983             else:
 984                 logging.debug(_("Ignoring stale cache data for {apkfilename}")
 985                               .format(apkfilename=name_utf8))
 986
 987         if not usecache:
 988             logging.debug(_("Processing {apkfilename}").format(apkfilename=name_utf8))
 989             repo_file = collections.OrderedDict()
 990             repo_file['name'] = os.path.splitext(name_utf8)[0]
 991             # TODO rename apkname globally to something more generic
 992             repo_file['apkName'] = name_utf8
 993             repo_file['hash'] = shasum
 994             repo_file['hashType'] = 'sha256'
 995             repo_file['versionCode'] = 0
 996             repo_file['versionName'] = shasum[0:7]
 997             # the static ID is the SHA256 unless it is set in the metadata
 998             repo_file['packageName'] = shasum
 999
1000             m = common.STANDARD_FILE_NAME_REGEX.match(name_utf8)
1001             if m:
1002                 repo_file['packageName'] = m.group(1)
1003                 repo_file['versionCode'] = int(m.group(2))
1004             srcfilename = name + b'_src.tar.gz'
1005             if os.path.exists(os.path.join(repodir, srcfilename)):
1006                 repo_file['srcname'] = srcfilename.decode('utf-8')
1007             repo_file['size'] = stat.st_size
1008
1009             apkcache[name] = repo_file
1010             cachechanged = True
1011
1012         if use_date_from_file:
1013             timestamp = stat.st_ctime
1014             default_date_param = time.gmtime(time.mktime(datetime.fromtimestamp(timestamp).timetuple()))
1015         else:
1016             default_date_param = None
1017
1018         # Record in knownapks, getting the added date at the same time..
1019         added = knownapks.recordapk(repo_file['apkName'], repo_file['packageName'],
1020                                     default_date=default_date_param)
1021         if added:
1022             repo_file['added'] = added
1023
1024         repo_files.append(repo_file)
1025
1026     return repo_files, cachechanged
1027
1028
1029 def scan_apk(apk_file):
1030     """
1031     Scans an APK file and returns dictionary with metadata of the APK.
1032
1033     Attention: This does *not* verify that the APK signature is correct.
1034
1035     :param apk_file: The (ideally absolute) path to the APK file
1036     :raises BuildException
1037     :return A dict containing APK metadata
1038     """
1039     apk = {
1040         'hash': sha256sum(apk_file),
1041         'hashType': 'sha256',
1042         'uses-permission': [],
1043         'uses-permission-sdk-23': [],
1044         'features': [],
1045         'icons_src': {},
1046         'icons': {},
1047         'antiFeatures': set(),
1048     }
1049
1050     if common.use_androguard():
1051         scan_apk_androguard(apk, apk_file)
1052     else:
1053         scan_apk_aapt(apk, apk_file)
1054
1055     # Get the signature, or rather the signing key fingerprints
1056     logging.debug('Getting signature of {0}'.format(os.path.basename(apk_file)))
1057     apk['sig'] = getsig(apk_file)
1058     if not apk['sig']:
1059         raise BuildException("Failed to get apk signature")
1060     apk['signer'] = common.apk_signer_fingerprint(os.path.join(os.getcwd(),
1061                                                                apk_file))
1062     if not apk.get('signer'):
1063         raise BuildException("Failed to get apk signing key fingerprint")
1064
1065     # Get size of the APK
1066     apk['size'] = os.path.getsize(apk_file)
1067
1068     if 'minSdkVersion' not in apk:
1069         logging.warning("No SDK version information found in {0}".format(apk_file))
1070         apk['minSdkVersion'] = 3  # aapt defaults to 3 as the min
1071     if 'targetSdkVersion' not in apk:
1072         apk['targetSdkVersion'] = apk['minSdkVersion']
1073
1074     # Check for known vulnerabilities
1075     if has_known_vulnerability(apk_file):
1076         apk['antiFeatures'].add('KnownVuln')
1077
1078     return apk
1079
1080
1081 def _get_apk_icons_src(apkfile, icon_name):
1082     """Extract the paths to the app icon in all available densities
1083
1084     """
1085     icons_src = dict()
1086     density_re = re.compile('^res/(.*)/{}\.(png|xml)$'.format(icon_name))
1087     with zipfile.ZipFile(apkfile) as zf:
1088         for filename in zf.namelist():
1089             m = density_re.match(filename)
1090             if m:
1091                 folder = m.group(1).split('-')
1092                 if len(folder) > 1 and folder[1].endswith('dpi'):
1093                     density = screen_resolutions[folder[1]]
1094                 else:
1095                     density = '160'
1096                 icons_src[density] = m.group(0)
1097     if icons_src.get('-1') is None and '160' in icons_src:
1098         icons_src['-1'] = icons_src['160']
1099     return icons_src
1100
1101
1102 def scan_apk_aapt(apk, apkfile):
1103     p = SdkToolsPopen(['aapt', 'dump', 'badging', apkfile], output=False)
1104     if p.returncode != 0:
1105         if options.delete_unknown:
1106             if os.path.exists(apkfile):
1107                 logging.error(_("Failed to get apk information, deleting {path}").format(path=apkfile))
1108                 os.remove(apkfile)
1109             else:
1110                 logging.error("Could not find {0} to remove it".format(apkfile))
1111         else:
1112             logging.error(_("Failed to get apk information, skipping {path}").format(path=apkfile))
1113         raise BuildException(_("Invalid APK"))
1114     icon_name = None
1115     for line in p.output.splitlines():
1116         if line.startswith("package:"):
1117             try:
1118                 apk['packageName'] = re.match(APK_NAME_PAT, line).group(1)
1119                 apk['versionCode'] = int(re.match(APK_VERCODE_PAT, line).group(1))
1120                 apk['versionName'] = re.match(APK_VERNAME_PAT, line).group(1)
1121             except Exception as e:
1122                 raise FDroidException("Package matching failed: " + str(e) + "\nLine was: " + line)
1123         elif line.startswith("application:"):
1124             m = re.match(APK_LABEL_ICON_PAT, line)
1125             if m:
1126                 apk['name'] = m.group(1)
1127                 icon_name = os.path.splitext(os.path.basename(m.group(2)))[0]
1128         elif not apk.get('name') and line.startswith("launchable-activity:"):
1129             # Only use launchable-activity as fallback to application
1130             apk['name'] = re.match(APK_LABEL_ICON_PAT, line).group(1)
1131         elif line.startswith("sdkVersion:"):
1132             m = re.match(APK_SDK_VERSION_PAT, line)
1133             if m is None:
1134                 logging.error(line.replace('sdkVersion:', '')
1135                               + ' is not a valid minSdkVersion!')
1136             else:
1137                 apk['minSdkVersion'] = m.group(1)
1138         elif line.startswith("targetSdkVersion:"):
1139             m = re.match(APK_SDK_VERSION_PAT, line)
1140             if m is None:
1141                 logging.error(line.replace('targetSdkVersion:', '')
1142                               + ' is not a valid targetSdkVersion!')
1143             else:
1144                 apk['targetSdkVersion'] = m.group(1)
1145         elif line.startswith("maxSdkVersion:"):
1146             apk['maxSdkVersion'] = re.match(APK_SDK_VERSION_PAT, line).group(1)
1147         elif line.startswith("native-code:"):
1148             apk['nativecode'] = []
1149             for arch in line[13:].split(' '):
1150                 apk['nativecode'].append(arch[1:-1])
1151         elif line.startswith('uses-permission:'):
1152             perm_match = re.match(APK_PERMISSION_PAT, line).groupdict()
1153             if perm_match['maxSdkVersion']:
1154                 perm_match['maxSdkVersion'] = int(perm_match['maxSdkVersion'])
1155             permission = UsesPermission(
1156                 perm_match['name'],
1157                 perm_match['maxSdkVersion']
1158             )
1159
1160             apk['uses-permission'].append(permission)
1161         elif line.startswith('uses-permission-sdk-23:'):
1162             perm_match = re.match(APK_PERMISSION_PAT, line).groupdict()
1163             if perm_match['maxSdkVersion']:
1164                 perm_match['maxSdkVersion'] = int(perm_match['maxSdkVersion'])
1165             permission_sdk_23 = UsesPermissionSdk23(
1166                 perm_match['name'],
1167                 perm_match['maxSdkVersion']
1168             )
1169
1170             apk['uses-permission-sdk-23'].append(permission_sdk_23)
1171
1172         elif line.startswith('uses-feature:'):
1173             feature = re.match(APK_FEATURE_PAT, line).group(1)
1174             # Filter out this, it's only added with the latest SDK tools and
1175             # causes problems for lots of apps.
1176             if feature != "android.hardware.screen.portrait" \
1177                     and feature != "android.hardware.screen.landscape":
1178                 if feature.startswith("android.feature."):
1179                     feature = feature[16:]
1180                 apk['features'].add(feature)
1181     apk['icons_src'] = _get_apk_icons_src(apkfile, icon_name)
1182
1183
1184 def _sanitize_sdk_version(value):
1185     """Sanitize the raw values from androguard to handle bad values
1186
1187     minSdkVersion/targetSdkVersion/maxSdkVersion must be integers,
1188     but that doesn't stop devs from doing strange things like
1189     setting them using Android XML strings.
1190
1191     https://gitlab.com/souch/SMSbypass/blob/v0.9/app/src/main/AndroidManifest.xml#L29
1192     https://gitlab.com/souch/SMSbypass/blob/v0.9/app/src/main/res/values/strings.xml#L27
1193     """
1194     try:
1195         sdk_version = int(value)
1196         if sdk_version > 0:
1197             return str(sdk_version)  # heinous, but this is still str in the codebase
1198     except (TypeError, ValueError):
1199         pass
1200     return None
1201
1202
1203 def scan_apk_androguard(apk, apkfile):
1204     try:
1205         from androguard.core.bytecodes.apk import APK
1206         apkobject = APK(apkfile)
1207         if apkobject.is_valid_APK():
1208             arsc = apkobject.get_android_resources()
1209         else:
1210             if options.delete_unknown:
1211                 if os.path.exists(apkfile):
1212                     logging.error(_("Failed to get apk information, deleting {path}")
1213                                   .format(path=apkfile))
1214                     os.remove(apkfile)
1215                 else:
1216                     logging.error(_("Could not find {path} to remove it")
1217                                   .format(path=apkfile))
1218             else:
1219                 logging.error(_("Failed to get apk information, skipping {path}")
1220                               .format(path=apkfile))
1221             raise BuildException(_("Invalid APK"))
1222     except ImportError:
1223         raise FDroidException("androguard library is not installed and aapt not present")
1224     except FileNotFoundError:
1225         logging.error(_("Could not open apk file for analysis"))
1226         raise BuildException(_("Invalid APK"))
1227
1228     apk['packageName'] = apkobject.get_package()
1229     apk['versionCode'] = int(apkobject.get_androidversion_code())
1230     apk['name'] = apkobject.get_app_name()
1231
1232     versionName = apkobject.get_androidversion_name()
1233     if versionName:
1234         apk['versionName'] = versionName
1235         if versionName[0] == '@':
1236             try:  # can be a literal value or a resId
1237                 res_id = int(versionName.replace("@", "0x"), 16)
1238                 res_id = arsc.get_id(apk['packageName'], res_id)[1]
1239                 apk['versionName'] = arsc.get_string(apk['packageName'], res_id)[1]
1240             except ValueError:
1241                 pass
1242
1243     minSdkVersion = _sanitize_sdk_version(apkobject.get_min_sdk_version())
1244     if minSdkVersion is not None:
1245         apk['minSdkVersion'] = minSdkVersion
1246
1247     targetSdkVersion = _sanitize_sdk_version(apkobject.get_target_sdk_version())
1248     if targetSdkVersion is not None:
1249         apk['targetSdkVersion'] = targetSdkVersion
1250
1251     maxSdkVersion = _sanitize_sdk_version(apkobject.get_max_sdk_version())
1252     if maxSdkVersion is not None:
1253         apk['maxSdkVersion'] = maxSdkVersion
1254
1255     icon_id_str = apkobject.get_element("application", "icon")
1256     if icon_id_str:
1257         icon_id = int(icon_id_str.replace("@", "0x"), 16)
1258         resource_id = arsc.get_id(apk['packageName'], icon_id)
1259         if resource_id:
1260             icon_name = arsc.get_id(apk['packageName'], icon_id)[1]
1261         else:
1262             icon_name = os.path.splitext(os.path.basename(apkobject.get_app_icon()))[0]
1263         apk['icons_src'] = _get_apk_icons_src(apkfile, icon_name)
1264
1265     arch_re = re.compile("^lib/(.*)/.*$")
1266     arch = set([arch_re.match(file).group(1) for file in apkobject.get_files() if arch_re.match(file)])
1267     if len(arch) >= 1:
1268         apk['nativecode'] = []
1269         apk['nativecode'].extend(sorted(list(arch)))
1270
1271     xml = apkobject.get_android_manifest_xml()
1272     xmlns = xml.nsmap.get('android')
1273     if not xmlns:
1274         xmlns = 'http://schemas.android.com/apk/res/android'
1275
1276     for item in xml.findall('uses-permission'):
1277         name = str(item.attrib['{' + xmlns + '}name'])
1278         maxSdkVersion = item.attrib.get('{' + xmlns + '}maxSdkVersion')
1279         maxSdkVersion = int(maxSdkVersion) if maxSdkVersion else None
1280         permission = UsesPermission(
1281             name,
1282             maxSdkVersion
1283         )
1284         apk['uses-permission'].append(permission)
1285     for name, maxSdkVersion in apkobject.get_uses_implied_permission_list():
1286         permission = UsesPermission(
1287             name,
1288             maxSdkVersion
1289         )
1290         apk['uses-permission'].append(permission)
1291
1292     for item in xml.findall('uses-permission-sdk-23'):
1293         name = str(item.attrib['{' + xmlns + '}name'])
1294         maxSdkVersion = item.attrib.get('{' + xmlns + '}maxSdkVersion')
1295         maxSdkVersion = int(maxSdkVersion) if maxSdkVersion else None
1296         permission_sdk_23 = UsesPermissionSdk23(
1297             name,
1298             maxSdkVersion
1299         )
1300         apk['uses-permission-sdk-23'].append(permission_sdk_23)
1301
1302     for item in xml.findall('uses-feature'):
1303         key = '{' + xmlns + '}name'
1304         if key not in item.attrib:
1305             continue
1306         feature = str(item.attrib[key])
1307         if feature != "android.hardware.screen.portrait" \
1308                 and feature != "android.hardware.screen.landscape":
1309             if feature.startswith("android.feature."):
1310                 feature = feature[16:]
1311         required = item.attrib.get('{' + xmlns + '}required')
1312         if required is None or required == 'true':
1313             apk['features'].append(feature)
1314
1315
1316 def process_apk(apkcache, apkfilename, repodir, knownapks, use_date_from_apk=False,
1317                 allow_disabled_algorithms=False, archive_bad_sig=False):
1318     """Processes the apk with the given filename in the given repo directory.
1319
1320     This also extracts the icons.
1321
1322     :param apkcache: current apk cache information
1323     :param apkfilename: the filename of the apk to scan
1324     :param repodir: repo directory to scan
1325     :param knownapks: known apks info
1326     :param use_date_from_apk: use date from APK (instead of current date)
1327                               for newly added APKs
1328     :param allow_disabled_algorithms: allow APKs with valid signatures that include
1329                                       disabled algorithms in the signature (e.g. MD5)
1330     :param archive_bad_sig: move APKs with a bad signature to the archive
1331     :returns: (skip, apk, cachechanged) where skip is a boolean indicating whether to skip this apk,
1332      apk is the scanned apk information, and cachechanged is True if the apkcache got changed.
1333     """
1334
1335     apk = {}
1336     apkfile = os.path.join(repodir, apkfilename)
1337
1338     cachechanged = False
1339     usecache = False
1340     if apkfilename in apkcache:
1341         apk = apkcache[apkfilename]
1342         if apk.get('hash') == sha256sum(apkfile):
1343             logging.debug(_("Reading {apkfilename} from cache")
1344                           .format(apkfilename=apkfilename))
1345             usecache = True
1346         else:
1347             logging.debug(_("Ignoring stale cache data for {apkfilename}")
1348                           .format(apkfilename=apkfilename))
1349
1350     if not usecache:
1351         logging.debug(_("Processing {apkfilename}").format(apkfilename=apkfilename))
1352
1353         try:
1354             apk = scan_apk(apkfile)
1355         except BuildException:
1356             logging.warning(_("Skipping '{apkfilename}' with invalid signature!")
1357                             .format(apkfilename=apkfilename))
1358             return True, None, False
1359
1360         # Check for debuggable apks...
1361         if common.is_apk_and_debuggable(apkfile):
1362             logging.warning('{0} is set to android:debuggable="true"'.format(apkfile))
1363
1364         if options.rename_apks:
1365             n = apk['packageName'] + '_' + str(apk['versionCode']) + '.apk'
1366             std_short_name = os.path.join(repodir, n)
1367             if apkfile != std_short_name:
1368                 if os.path.exists(std_short_name):
1369                     std_long_name = std_short_name.replace('.apk', '_' + apk['sig'][:7] + '.apk')
1370                     if apkfile != std_long_name:
1371                         if os.path.exists(std_long_name):
1372                             dupdir = os.path.join('duplicates', repodir)
1373                             if not os.path.isdir(dupdir):
1374                                 os.makedirs(dupdir, exist_ok=True)
1375                             dupfile = os.path.join('duplicates', std_long_name)
1376                             logging.warning('Moving duplicate ' + std_long_name + ' to ' + dupfile)
1377                             os.rename(apkfile, dupfile)
1378                             return True, None, False
1379                         else:
1380                             os.rename(apkfile, std_long_name)
1381                     apkfile = std_long_name
1382                 else:
1383                     os.rename(apkfile, std_short_name)
1384                     apkfile = std_short_name
1385                 apkfilename = apkfile[len(repodir) + 1:]
1386
1387         apk['apkName'] = apkfilename
1388         srcfilename = apkfilename[:-4] + "_src.tar.gz"
1389         if os.path.exists(os.path.join(repodir, srcfilename)):
1390             apk['srcname'] = srcfilename
1391
1392         # verify the jar signature is correct, allow deprecated
1393         # algorithms only if the APK is in the archive.
1394         skipapk = False
1395         if not common.verify_apk_signature(apkfile):
1396             if repodir == 'archive' or allow_disabled_algorithms:
1397                 if common.verify_old_apk_signature(apkfile):
1398                     apk['antiFeatures'].update(['KnownVuln', 'DisabledAlgorithm'])
1399                 else:
1400                     skipapk = True
1401             else:
1402                 skipapk = True
1403
1404         if skipapk:
1405             if archive_bad_sig:
1406                 logging.warning(_('Archiving {apkfilename} with invalid signature!')
1407                                 .format(apkfilename=apkfilename))
1408                 move_apk_between_sections(repodir, 'archive', apk)
1409             else:
1410                 logging.warning(_('Skipping {apkfilename} with invalid signature!')
1411                                 .format(apkfilename=apkfilename))
1412             return True, None, False
1413
1414         apkzip = zipfile.ZipFile(apkfile, 'r')
1415
1416         manifest = apkzip.getinfo('AndroidManifest.xml')
1417         # 1980-0-0 means zeroed out, any other invalid date should trigger a warning
1418         if (1980, 0, 0) != manifest.date_time[0:3]:
1419             try:
1420                 common.check_system_clock(datetime(*manifest.date_time), apkfilename)
1421             except ValueError as e:
1422                 logging.warning(_("{apkfilename}'s AndroidManifest.xml has a bad date: ")
1423                                 .format(apkfilename=apkfile) + str(e))
1424
1425         # extract icons from APK zip file
1426         iconfilename = "%s.%s" % (apk['packageName'], apk['versionCode'])
1427         try:
1428             empty_densities = extract_apk_icons(iconfilename, apk, apkzip, repodir)
1429         finally:
1430             apkzip.close()  # ensure that APK zip file gets closed
1431
1432         # resize existing icons for densities missing in the APK
1433         fill_missing_icon_densities(empty_densities, iconfilename, apk, repodir)
1434
1435         if use_date_from_apk and manifest.date_time[1] != 0:
1436             default_date_param = datetime(*manifest.date_time)
1437         else:
1438             default_date_param = None
1439
1440         # Record in known apks, getting the added date at the same time..
1441         added = knownapks.recordapk(apk['apkName'], apk['packageName'],
1442                                     default_date=default_date_param)
1443         if added:
1444             apk['added'] = added
1445
1446         apkcache[apkfilename] = apk
1447         cachechanged = True
1448
1449     return False, apk, cachechanged
1450
1451
1452 def process_apks(apkcache, repodir, knownapks, use_date_from_apk=False):
1453     """Processes the apks in the given repo directory.
1454
1455     This also extracts the icons.
1456
1457     :param apkcache: current apk cache information
1458     :param repodir: repo directory to scan
1459     :param knownapks: known apks info
1460     :param use_date_from_apk: use date from APK (instead of current date)
1461                               for newly added APKs
1462     :returns: (apks, cachechanged) where apks is a list of apk information,
1463               and cachechanged is True if the apkcache got changed.
1464     """
1465
1466     cachechanged = False
1467
1468     for icon_dir in get_all_icon_dirs(repodir):
1469         if os.path.exists(icon_dir):
1470             if options.clean:
1471                 shutil.rmtree(icon_dir)
1472                 os.makedirs(icon_dir)
1473         else:
1474             os.makedirs(icon_dir)
1475
1476     apks = []
1477     for apkfile in sorted(glob.glob(os.path.join(repodir, '*.apk'))):
1478         apkfilename = apkfile[len(repodir) + 1:]
1479         ada = options.allow_disabled_algorithms or config['allow_disabled_algorithms']
1480         (skip, apk, cachethis) = process_apk(apkcache, apkfilename, repodir, knownapks,
1481                                              use_date_from_apk, ada, True)
1482         if skip:
1483             continue
1484         apks.append(apk)
1485         cachechanged = cachechanged or cachethis
1486
1487     return apks, cachechanged
1488
1489
1490 def extract_apk_icons(icon_filename, apk, apkzip, repo_dir):
1491     """Extracts PNG icons from an APK with the supported pixel densities
1492
1493     Extracts icons from the given APK zip in various densities, saves
1494     them into given repo directory and stores their names in the APK
1495     metadata dictionary.  If the icon is an XML icon, then this tries
1496     to find PNG icon that can replace it.
1497
1498     :param icon_filename: A string representing the icon's file name
1499     :param apk: A populated dictionary containing APK metadata.
1500                 Needs to have 'icons_src' key
1501     :param apkzip: An opened zipfile.ZipFile of the APK file
1502     :param repo_dir: The directory of the APK's repository
1503     :return: A list of icon densities that are missing
1504
1505     """
1506     res_name_re = re.compile(r'res/(drawable|mipmap)-(x*[hlm]dpi|anydpi).*/(.*)_[0-9]+dp.(png|xml)')
1507     pngs = dict()
1508     for f in apkzip.namelist():
1509         m = res_name_re.match(f)
1510         if m and m.group(4) == 'png':
1511             density = screen_resolutions[m.group(2)]
1512             pngs[m.group(3) + '/' + density] = m.group(0)
1513
1514     icon_type = None
1515     empty_densities = []
1516     for density in screen_densities:
1517         if density not in apk['icons_src']:
1518             empty_densities.append(density)
1519             continue
1520         icon_src = apk['icons_src'][density]
1521         icon_dir = get_icon_dir(repo_dir, density)
1522         icon_type = '.png'
1523
1524         # Extract the icon files per density
1525         if icon_src.endswith('.xml'):
1526             m = res_name_re.match(icon_src)
1527             if m:
1528                 name = pngs.get(m.group(3) + '/' + str(density))
1529                 if name:
1530                     icon_src = name
1531             if icon_src.endswith('.xml'):
1532                 empty_densities.append(density)
1533                 icon_type = '.xml'
1534         icon_dest = os.path.join(icon_dir, icon_filename + icon_type)
1535
1536         try:
1537             with open(icon_dest, 'wb') as f:
1538                 f.write(get_icon_bytes(apkzip, icon_src))
1539             apk['icons'][density] = icon_filename + icon_type
1540         except (zipfile.BadZipFile, ValueError, KeyError) as e:
1541             logging.warning("Error retrieving icon file: %s %s", icon_dest, e)
1542             del apk['icons_src'][density]
1543             empty_densities.append(density)
1544
1545     # '-1' here is a remnant of the parsing of aapt output, meaning "no DPI specified"
1546     if '-1' in apk['icons_src']:
1547         icon_src = apk['icons_src']['-1']
1548         icon_type = icon_src[-4:]
1549         icon_path = os.path.join(get_icon_dir(repo_dir, '0'), icon_filename + icon_type)
1550         with open(icon_path, 'wb') as f:
1551             f.write(get_icon_bytes(apkzip, icon_src))
1552         if icon_type == '.png':
1553             im = None
1554             try:
1555                 im = Image.open(icon_path)
1556                 dpi = px_to_dpi(im.size[0])
1557                 for density in screen_densities:
1558                     if density in apk['icons']:
1559                         break
1560                     if density == screen_densities[-1] or dpi >= int(density):
1561                         apk['icons'][density] = icon_filename + icon_type
1562                         shutil.move(icon_path,
1563                                     os.path.join(get_icon_dir(repo_dir, density), icon_filename + icon_type))
1564                         empty_densities.remove(density)
1565                         break
1566             except Exception as e:
1567                 logging.warning(_("Failed reading {path}: {error}")
1568                                 .format(path=icon_path, error=e))
1569             finally:
1570                 if im and hasattr(im, 'close'):
1571                     im.close()
1572
1573     if apk['icons']:
1574         apk['icon'] = icon_filename + icon_type
1575
1576     return empty_densities
1577
1578
1579 def fill_missing_icon_densities(empty_densities, icon_filename, apk, repo_dir):
1580     """
1581     Resize existing PNG icons for densities missing in the APK to ensure all densities are available
1582
1583     :param empty_densities: A list of icon densities that are missing
1584     :param icon_filename: A string representing the icon's file name
1585     :param apk: A populated dictionary containing APK metadata. Needs to have 'icons' key
1586     :param repo_dir: The directory of the APK's repository
1587
1588     """
1589     icon_filename += '.png'
1590     # First try resizing down to not lose quality
1591     last_density = None
1592     for density in screen_densities:
1593         if density == '65534':  # not possible to generate 'anydpi' from other densities
1594             continue
1595         if density not in empty_densities:
1596             last_density = density
1597             continue
1598         if last_density is None:
1599             continue
1600         logging.debug("Density %s not available, resizing down from %s", density, last_density)
1601
1602         last_icon_path = os.path.join(get_icon_dir(repo_dir, last_density), icon_filename)
1603         icon_path = os.path.join(get_icon_dir(repo_dir, density), icon_filename)
1604         fp = None
1605         try:
1606             fp = open(last_icon_path, 'rb')
1607             im = Image.open(fp)
1608
1609             size = dpi_to_px(density)
1610
1611             im.thumbnail((size, size), Image.ANTIALIAS)
1612             im.save(icon_path, "PNG", optimize=True,
1613                     pnginfo=BLANK_PNG_INFO, icc_profile=None)
1614             empty_densities.remove(density)
1615         except Exception as e:
1616             logging.warning("Invalid image file at %s: %s", last_icon_path, e)
1617         finally:
1618             if fp:
1619                 fp.close()
1620
1621     # Then just copy from the highest resolution available
1622     last_density = None
1623     for density in reversed(screen_densities):
1624         if density not in empty_densities:
1625             last_density = density
1626             continue
1627
1628         if last_density is None:
1629             continue
1630
1631         shutil.copyfile(
1632             os.path.join(get_icon_dir(repo_dir, last_density), icon_filename),
1633             os.path.join(get_icon_dir(repo_dir, density), icon_filename)
1634         )
1635         empty_densities.remove(density)
1636
1637     for density in screen_densities:
1638         icon_dir = get_icon_dir(repo_dir, density)
1639         icon_dest = os.path.join(icon_dir, icon_filename)
1640         resize_icon(icon_dest, density)
1641
1642     # Copy from icons-mdpi to icons since mdpi is the baseline density
1643     baseline = os.path.join(get_icon_dir(repo_dir, '160'), icon_filename)
1644     if os.path.isfile(baseline):
1645         apk['icons']['0'] = icon_filename
1646         shutil.copyfile(baseline, os.path.join(get_icon_dir(repo_dir, '0'), icon_filename))
1647
1648
1649 def apply_info_from_latest_apk(apps, apks):
1650     """
1651     Some information from the apks needs to be applied up to the application level.
1652     When doing this, we use the info from the most recent version's apk.
1653     We deal with figuring out when the app was added and last updated at the same time.
1654     """
1655     for appid, app in apps.items():
1656         bestver = UNSET_VERSION_CODE
1657         for apk in apks:
1658             if apk['packageName'] == appid:
1659                 if apk['versionCode'] > bestver:
1660                     bestver = apk['versionCode']
1661                     bestapk = apk
1662
1663                 if 'added' in apk:
1664                     if not app.added or apk['added'] < app.added:
1665                         app.added = apk['added']
1666                     if not app.lastUpdated or apk['added'] > app.lastUpdated:
1667                         app.lastUpdated = apk['added']
1668
1669         if not app.added:
1670             logging.debug("Don't know when " + appid + " was added")
1671         if not app.lastUpdated:
1672             logging.debug("Don't know when " + appid + " was last updated")
1673
1674         if bestver == UNSET_VERSION_CODE:
1675
1676             if app.Name is None:
1677                 app.Name = app.AutoName or appid
1678             app.icon = None
1679             logging.debug("Application " + appid + " has no packages")
1680         else:
1681             if app.Name is None:
1682                 app.Name = bestapk['name']
1683             app.icon = bestapk['icon'] if 'icon' in bestapk else None
1684             if app.CurrentVersionCode is None:
1685                 app.CurrentVersionCode = str(bestver)
1686
1687
1688 def make_categories_txt(repodir, categories):
1689     '''Write a category list in the repo to allow quick access'''
1690     catdata = ''
1691     for cat in sorted(categories):
1692         catdata += cat + '\n'
1693     with open(os.path.join(repodir, 'categories.txt'), 'w', encoding='utf8') as f:
1694         f.write(catdata)
1695
1696
1697 def archive_old_apks(apps, apks, archapks, repodir, archivedir, defaultkeepversions):
1698
1699     def filter_apk_list_sorted(apk_list):
1700         res = []
1701         for apk in apk_list:
1702             if apk['packageName'] == appid:
1703                 res.append(apk)
1704
1705         # Sort the apk list by version code. First is highest/newest.
1706         return sorted(res, key=lambda apk: apk['versionCode'], reverse=True)
1707
1708     for appid, app in apps.items():
1709
1710         if app.ArchivePolicy:
1711             keepversions = int(app.ArchivePolicy[:-9])
1712         else:
1713             keepversions = defaultkeepversions
1714
1715         logging.debug(_("Checking archiving for {appid} - apks:{integer}, keepversions:{keep}, archapks:{arch}")
1716                       .format(appid=appid, integer=len(apks), keep=keepversions, arch=len(archapks)))
1717
1718         current_app_apks = filter_apk_list_sorted(apks)
1719         if len(current_app_apks) > keepversions:
1720             # Move back the ones we don't want.
1721             for apk in current_app_apks[keepversions:]:
1722                 move_apk_between_sections(repodir, archivedir, apk)
1723                 archapks.append(apk)
1724                 apks.remove(apk)
1725
1726         current_app_archapks = filter_apk_list_sorted(archapks)
1727         if len(current_app_apks) < keepversions and len(current_app_archapks) > 0:
1728             kept = 0
1729             # Move forward the ones we want again, except DisableAlgorithm
1730             for apk in current_app_archapks:
1731                 if 'DisabledAlgorithm' not in apk['antiFeatures']:
1732                     move_apk_between_sections(archivedir, repodir, apk)
1733                     archapks.remove(apk)
1734                     apks.append(apk)
1735                     kept += 1
1736                 if kept == keepversions:
1737                     break
1738
1739
1740 def move_apk_between_sections(from_dir, to_dir, apk):
1741     """move an APK from repo to archive or vice versa"""
1742
1743     def _move_file(from_dir, to_dir, filename, ignore_missing):
1744         from_path = os.path.join(from_dir, filename)
1745         if ignore_missing and not os.path.exists(from_path):
1746             return
1747         to_path = os.path.join(to_dir, filename)
1748         if not os.path.exists(to_dir):
1749             os.mkdir(to_dir)
1750         shutil.move(from_path, to_path)
1751
1752     if from_dir == to_dir:
1753         return
1754
1755     logging.info("Moving %s from %s to %s" % (apk['apkName'], from_dir, to_dir))
1756     _move_file(from_dir, to_dir, apk['apkName'], False)
1757     _move_file(from_dir, to_dir, apk['apkName'] + '.asc', True)
1758     for density in all_screen_densities:
1759         from_icon_dir = get_icon_dir(from_dir, density)
1760         to_icon_dir = get_icon_dir(to_dir, density)
1761         if density not in apk.get('icons', []):
1762             continue
1763         _move_file(from_icon_dir, to_icon_dir, apk['icons'][density], True)
1764     if 'srcname' in apk:
1765         _move_file(from_dir, to_dir, apk['srcname'], False)
1766
1767
1768 def add_apks_to_per_app_repos(repodir, apks):
1769     apks_per_app = dict()
1770     for apk in apks:
1771         apk['per_app_dir'] = os.path.join(apk['packageName'], 'fdroid')
1772         apk['per_app_repo'] = os.path.join(apk['per_app_dir'], 'repo')
1773         apk['per_app_icons'] = os.path.join(apk['per_app_repo'], 'icons')
1774         apks_per_app[apk['packageName']] = apk
1775
1776         if not os.path.exists(apk['per_app_icons']):
1777             logging.info(_('Adding new repo for only {name}').format(name=apk['packageName']))
1778             os.makedirs(apk['per_app_icons'])
1779
1780         apkpath = os.path.join(repodir, apk['apkName'])
1781         shutil.copy(apkpath, apk['per_app_repo'])
1782         apksigpath = apkpath + '.sig'
1783         if os.path.exists(apksigpath):
1784             shutil.copy(apksigpath, apk['per_app_repo'])
1785         apkascpath = apkpath + '.asc'
1786         if os.path.exists(apkascpath):
1787             shutil.copy(apkascpath, apk['per_app_repo'])
1788
1789
1790 def create_metadata_from_template(apk):
1791     '''create a new metadata file using internal or external template
1792
1793     Generate warnings for apk's with no metadata (or create skeleton
1794     metadata files, if requested on the command line).  Though the
1795     template file is YAML, this uses neither pyyaml nor ruamel.yaml
1796     since those impose things on the metadata file made from the
1797     template: field sort order, empty field value, formatting, etc.
1798     '''
1799
1800     import yaml
1801     if os.path.exists('template.yml'):
1802         with open('template.yml') as f:
1803             metatxt = f.read()
1804         if 'name' in apk and apk['name'] != '':
1805             metatxt = re.sub(r'''^(((Auto)?Name|Summary):)[ '"\.]*$''',
1806                              r'\1 ' + apk['name'],
1807                              metatxt,
1808                              flags=re.IGNORECASE | re.MULTILINE)
1809         else:
1810             logging.warning(_('{appid} does not have a name! Using package name instead.')
1811                             .format(appid=apk['packageName']))
1812             metatxt = re.sub(r'^(((Auto)?Name|Summary):).*$',
1813                              r'\1 ' + apk['packageName'],
1814                              metatxt,
1815                              flags=re.IGNORECASE | re.MULTILINE)
1816         with open(os.path.join('metadata', apk['packageName'] + '.yml'), 'w') as f:
1817             f.write(metatxt)
1818     else:
1819         app = dict()
1820         app['Categories'] = [os.path.basename(os.getcwd())]
1821         # include some blanks as part of the template
1822         app['AuthorName'] = ''
1823         app['Summary'] = ''
1824         app['WebSite'] = ''
1825         app['IssueTracker'] = ''
1826         app['SourceCode'] = ''
1827         app['CurrentVersionCode'] = 2147483647  # Java's Integer.MAX_VALUE
1828         if 'name' in apk and apk['name'] != '':
1829             app['Name'] = apk['name']
1830         else:
1831             logging.warning(_('{appid} does not have a name! Using package name instead.')
1832                             .format(appid=apk['packageName']))
1833             app['Name'] = apk['packageName']
1834         with open(os.path.join('metadata', apk['packageName'] + '.yml'), 'w') as f:
1835             yaml.dump(app, f, default_flow_style=False)
1836     logging.info(_("Generated skeleton metadata for {appid}").format(appid=apk['packageName']))
1837
1838
1839 config = None
1840 options = None
1841 start_timestamp = time.gmtime()
1842
1843
1844 def main():
1845
1846     global config, options
1847
1848     # Parse command line...
1849     parser = ArgumentParser()
1850     common.setup_global_opts(parser)
1851     parser.add_argument("--create-key", action="store_true", default=False,
1852                         help=_("Add a repo signing key to an unsigned repo"))
1853     parser.add_argument("-c", "--create-metadata", action="store_true", default=False,
1854                         help=_("Add skeleton metadata files for APKs that are missing them"))
1855     parser.add_argument("--delete-unknown", action="store_true", default=False,
1856                         help=_("Delete APKs and/or OBBs without metadata from the repo"))
1857     parser.add_argument("-b", "--buildreport", action="store_true", default=False,
1858                         help=_("Report on build data status"))
1859     parser.add_argument("-i", "--interactive", default=False, action="store_true",
1860                         help=_("Interactively ask about things that need updating."))
1861     parser.add_argument("-I", "--icons", action="store_true", default=False,
1862                         help=_("Resize all the icons exceeding the max pixel size and exit"))
1863     parser.add_argument("-e", "--editor", default="/etc/alternatives/editor",
1864                         help=_("Specify editor to use in interactive mode. Default " +
1865                                "is {path}").format(path='/etc/alternatives/editor'))
1866     parser.add_argument("-w", "--wiki", default=False, action="store_true",
1867                         help=_("Update the wiki"))
1868     parser.add_argument("--pretty", action="store_true", default=False,
1869                         help=_("Produce human-readable XML/JSON for index files"))
1870     parser.add_argument("--clean", action="store_true", default=False,
1871                         help=_("Clean update - don't uses caches, reprocess all APKs"))
1872     parser.add_argument("--nosign", action="store_true", default=False,
1873                         help=_("When configured for signed indexes, create only unsigned indexes at this stage"))
1874     parser.add_argument("--use-date-from-apk", action="store_true", default=False,
1875                         help=_("Use date from APK instead of current time for newly added APKs"))
1876     parser.add_argument("--rename-apks", action="store_true", default=False,
1877                         help=_("Rename APK files that do not match package.name_123.apk"))
1878     parser.add_argument("--allow-disabled-algorithms", action="store_true", default=False,
1879                         help=_("Include APKs that are signed with disabled algorithms like MD5"))
1880     metadata.add_metadata_arguments(parser)
1881     options = parser.parse_args()
1882     metadata.warnings_action = options.W
1883
1884     config = common.read_config(options)
1885
1886     if not ('jarsigner' in config and 'keytool' in config):
1887         raise FDroidException(_('Java JDK not found! Install in standard location or set java_paths!'))
1888
1889     repodirs = ['repo']
1890     if config['archive_older'] != 0:
1891         repodirs.append('archive')
1892         if not os.path.exists('archive'):
1893             os.mkdir('archive')
1894
1895     if options.icons:
1896         resize_all_icons(repodirs)
1897         sys.exit(0)
1898
1899     if options.rename_apks:
1900         options.clean = True
1901
1902     # check that icons exist now, rather than fail at the end of `fdroid update`
1903     for k in ['repo_icon', 'archive_icon']:
1904         if k in config:
1905             if not os.path.exists(config[k]):
1906                 logging.critical(_('{name} "{path}" does not exist! Correct it in config.py.')
1907                                  .format(name=k, path=config[k]))
1908                 sys.exit(1)
1909
1910     # if the user asks to create a keystore, do it now, reusing whatever it can
1911     if options.create_key:
1912         if os.path.exists(config['keystore']):
1913             logging.critical(_("Cowardily refusing to overwrite existing signing key setup!"))
1914             logging.critical("\t'" + config['keystore'] + "'")
1915             sys.exit(1)
1916
1917         if 'repo_keyalias' not in config:
1918             config['repo_keyalias'] = socket.getfqdn()
1919             common.write_to_config(config, 'repo_keyalias', config['repo_keyalias'])
1920         if 'keydname' not in config:
1921             config['keydname'] = 'CN=' + config['repo_keyalias'] + ', OU=F-Droid'
1922             common.write_to_config(config, 'keydname', config['keydname'])
1923         if 'keystore' not in config:
1924             config['keystore'] = common.default_config['keystore']
1925             common.write_to_config(config, 'keystore', config['keystore'])
1926
1927         password = common.genpassword()
1928         if 'keystorepass' not in config:
1929             config['keystorepass'] = password
1930             common.write_to_config(config, 'keystorepass', config['keystorepass'])
1931         if 'keypass' not in config:
1932             config['keypass'] = password
1933             common.write_to_config(config, 'keypass', config['keypass'])
1934         common.genkeystore(config)
1935
1936     # Get all apps...
1937     apps = metadata.read_metadata()
1938
1939     # Generate a list of categories...
1940     categories = set()
1941     for app in apps.values():
1942         categories.update(app.Categories)
1943
1944     # Read known apks data (will be updated and written back when we've finished)
1945     knownapks = common.KnownApks()
1946
1947     # Get APK cache
1948     apkcache = get_cache()
1949
1950     # Delete builds for disabled apps
1951     delete_disabled_builds(apps, apkcache, repodirs)
1952
1953     # Scan all apks in the main repo
1954     apks, cachechanged = process_apks(apkcache, repodirs[0], knownapks, options.use_date_from_apk)
1955
1956     files, fcachechanged = scan_repo_files(apkcache, repodirs[0], knownapks,
1957                                            options.use_date_from_apk)
1958     cachechanged = cachechanged or fcachechanged
1959     apks += files
1960     for apk in apks:
1961         if apk['packageName'] not in apps:
1962             if options.create_metadata:
1963                 create_metadata_from_template(apk)
1964                 apps = metadata.read_metadata()
1965             else:
1966                 msg = _("{apkfilename} ({appid}) has no metadata!") \
1967                     .format(apkfilename=apk['apkName'], appid=apk['packageName'])
1968                 if options.delete_unknown:
1969                     logging.warn(msg + '\n\t' + _("deleting: repo/{apkfilename}")
1970                                  .format(apkfilename=apk['apkName']))
1971                     rmf = os.path.join(repodirs[0], apk['apkName'])
1972                     if not os.path.exists(rmf):
1973                         logging.error(_("Could not find {path} to remove it").format(path=rmf))
1974                     else:
1975                         os.remove(rmf)
1976                 else:
1977                     logging.warn(msg + '\n\t' + _("Use `fdroid update -c` to create it."))
1978
1979     copy_triple_t_store_metadata(apps)
1980     insert_obbs(repodirs[0], apps, apks)
1981     insert_localized_app_metadata(apps)
1982     translate_per_build_anti_features(apps, apks)
1983
1984     # Scan the archive repo for apks as well
1985     if len(repodirs) > 1:
1986         archapks, cc = process_apks(apkcache, repodirs[1], knownapks, options.use_date_from_apk)
1987         if cc:
1988             cachechanged = True
1989     else:
1990         archapks = []
1991
1992     # Apply information from latest apks to the application and update dates
1993     apply_info_from_latest_apk(apps, apks + archapks)
1994
1995     # Sort the app list by name, then the web site doesn't have to by default.
1996     # (we had to wait until we'd scanned the apks to do this, because mostly the
1997     # name comes from there!)
1998     sortedids = sorted(apps.keys(), key=lambda appid: apps[appid].Name.upper())
1999
2000     # APKs are placed into multiple repos based on the app package, providing
2001     # per-app subscription feeds for nightly builds and things like it
2002     if config['per_app_repos']:
2003         add_apks_to_per_app_repos(repodirs[0], apks)
2004         for appid, app in apps.items():
2005             repodir = os.path.join(appid, 'fdroid', 'repo')
2006             appdict = dict()
2007             appdict[appid] = app
2008             if os.path.isdir(repodir):
2009                 index.make(appdict, [appid], apks, repodir, False)
2010             else:
2011                 logging.info(_('Skipping index generation for {appid}').format(appid=appid))
2012         return
2013
2014     if len(repodirs) > 1:
2015         archive_old_apks(apps, apks, archapks, repodirs[0], repodirs[1], config['archive_older'])
2016
2017     # Make the index for the main repo...
2018     index.make(apps, sortedids, apks, repodirs[0], False)
2019     make_categories_txt(repodirs[0], categories)
2020
2021     # If there's an archive repo,  make the index for it. We already scanned it
2022     # earlier on.
2023     if len(repodirs) > 1:
2024         index.make(apps, sortedids, archapks, repodirs[1], True)
2025
2026     git_remote = config.get('binary_transparency_remote')
2027     if git_remote or os.path.isdir(os.path.join('binary_transparency', '.git')):
2028         from . import btlog
2029         btlog.make_binary_transparency_log(repodirs)
2030
2031     if config['update_stats']:
2032         # Update known apks info...
2033         knownapks.writeifchanged()
2034
2035         # Generate latest apps data for widget
2036         if os.path.exists(os.path.join('stats', 'latestapps.txt')):
2037             data = ''
2038             with open(os.path.join('stats', 'latestapps.txt'), 'r', encoding='utf8') as f:
2039                 for line in f:
2040                     appid = line.rstrip()
2041                     data += appid + "\t"
2042                     app = apps[appid]
2043                     data += app.Name + "\t"
2044                     if app.icon is not None:
2045                         data += app.icon + "\t"
2046                     data += app.License + "\n"
2047             with open(os.path.join(repodirs[0], 'latestapps.dat'), 'w', encoding='utf8') as f:
2048                 f.write(data)
2049
2050     if cachechanged:
2051         write_cache(apkcache)
2052
2053     # Update the wiki...
2054     if options.wiki:
2055         update_wiki(apps, sortedids, apks + archapks)
2056
2057     logging.info(_("Finished"))
2058
2059
2060 if __name__ == "__main__":
2061     main()