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 scan_apk_androguard(apk, apkfile):
1185     try:
1186         from androguard.core.bytecodes.apk import APK
1187         apkobject = APK(apkfile)
1188         if apkobject.is_valid_APK():
1189             arsc = apkobject.get_android_resources()
1190         else:
1191             if options.delete_unknown:
1192                 if os.path.exists(apkfile):
1193                     logging.error(_("Failed to get apk information, deleting {path}")
1194                                   .format(path=apkfile))
1195                     os.remove(apkfile)
1196                 else:
1197                     logging.error(_("Could not find {path} to remove it")
1198                                   .format(path=apkfile))
1199             else:
1200                 logging.error(_("Failed to get apk information, skipping {path}")
1201                               .format(path=apkfile))
1202             raise BuildException(_("Invalid APK"))
1203     except ImportError:
1204         raise FDroidException("androguard library is not installed and aapt not present")
1205     except FileNotFoundError:
1206         logging.error(_("Could not open apk file for analysis"))
1207         raise BuildException(_("Invalid APK"))
1208
1209     apk['packageName'] = apkobject.get_package()
1210     apk['versionCode'] = int(apkobject.get_androidversion_code())
1211     apk['name'] = apkobject.get_app_name()
1212
1213     versionName = apkobject.get_androidversion_name()
1214     if versionName:
1215         apk['versionName'] = versionName
1216         if versionName[0] == '@':
1217             try:  # can be a literal value or a resId
1218                 res_id = int(versionName.replace("@", "0x"), 16)
1219                 res_id = arsc.get_id(apk['packageName'], res_id)[1]
1220                 apk['versionName'] = arsc.get_string(apk['packageName'], res_id)[1]
1221             except ValueError:
1222                 pass
1223
1224     if apkobject.get_max_sdk_version() is not None:
1225         apk['maxSdkVersion'] = apkobject.get_max_sdk_version()
1226     if apkobject.get_min_sdk_version() is not None:
1227         apk['minSdkVersion'] = apkobject.get_min_sdk_version()
1228     if apkobject.get_target_sdk_version() is not None:
1229         apk['targetSdkVersion'] = apkobject.get_target_sdk_version()
1230
1231     icon_id_str = apkobject.get_element("application", "icon")
1232     if icon_id_str:
1233         icon_id = int(icon_id_str.replace("@", "0x"), 16)
1234         resource_id = arsc.get_id(apk['packageName'], icon_id)
1235         if resource_id:
1236             icon_name = arsc.get_id(apk['packageName'], icon_id)[1]
1237         else:
1238             icon_name = os.path.splitext(os.path.basename(apkobject.get_app_icon()))[0]
1239         apk['icons_src'] = _get_apk_icons_src(apkfile, icon_name)
1240
1241     arch_re = re.compile("^lib/(.*)/.*$")
1242     arch = set([arch_re.match(file).group(1) for file in apkobject.get_files() if arch_re.match(file)])
1243     if len(arch) >= 1:
1244         apk['nativecode'] = []
1245         apk['nativecode'].extend(sorted(list(arch)))
1246
1247     xml = apkobject.get_android_manifest_xml()
1248     xmlns = xml.nsmap.get('android')
1249     if not xmlns:
1250         xmlns = 'http://schemas.android.com/apk/res/android'
1251
1252     for item in xml.findall('uses-permission'):
1253         name = str(item.attrib['{' + xmlns + '}name'])
1254         maxSdkVersion = item.attrib.get('{' + xmlns + '}maxSdkVersion')
1255         maxSdkVersion = int(maxSdkVersion) if maxSdkVersion else None
1256         permission = UsesPermission(
1257             name,
1258             maxSdkVersion
1259         )
1260         apk['uses-permission'].append(permission)
1261     for name, maxSdkVersion in apkobject.get_uses_implied_permission_list():
1262         permission = UsesPermission(
1263             name,
1264             maxSdkVersion
1265         )
1266         apk['uses-permission'].append(permission)
1267
1268     for item in xml.findall('uses-permission-sdk-23'):
1269         name = str(item.attrib['{' + xmlns + '}name'])
1270         maxSdkVersion = item.attrib.get('{' + xmlns + '}maxSdkVersion')
1271         maxSdkVersion = int(maxSdkVersion) if maxSdkVersion else None
1272         permission_sdk_23 = UsesPermissionSdk23(
1273             name,
1274             maxSdkVersion
1275         )
1276         apk['uses-permission-sdk-23'].append(permission_sdk_23)
1277
1278     for item in xml.findall('uses-feature'):
1279         key = '{' + xmlns + '}name'
1280         if key not in item.attrib:
1281             continue
1282         feature = str(item.attrib[key])
1283         if feature != "android.hardware.screen.portrait" \
1284                 and feature != "android.hardware.screen.landscape":
1285             if feature.startswith("android.feature."):
1286                 feature = feature[16:]
1287         required = item.attrib.get('{' + xmlns + '}required')
1288         if required is None or required == 'true':
1289             apk['features'].append(feature)
1290
1291
1292 def process_apk(apkcache, apkfilename, repodir, knownapks, use_date_from_apk=False,
1293                 allow_disabled_algorithms=False, archive_bad_sig=False):
1294     """Processes the apk with the given filename in the given repo directory.
1295
1296     This also extracts the icons.
1297
1298     :param apkcache: current apk cache information
1299     :param apkfilename: the filename of the apk to scan
1300     :param repodir: repo directory to scan
1301     :param knownapks: known apks info
1302     :param use_date_from_apk: use date from APK (instead of current date)
1303                               for newly added APKs
1304     :param allow_disabled_algorithms: allow APKs with valid signatures that include
1305                                       disabled algorithms in the signature (e.g. MD5)
1306     :param archive_bad_sig: move APKs with a bad signature to the archive
1307     :returns: (skip, apk, cachechanged) where skip is a boolean indicating whether to skip this apk,
1308      apk is the scanned apk information, and cachechanged is True if the apkcache got changed.
1309     """
1310
1311     apk = {}
1312     apkfile = os.path.join(repodir, apkfilename)
1313
1314     cachechanged = False
1315     usecache = False
1316     if apkfilename in apkcache:
1317         apk = apkcache[apkfilename]
1318         if apk.get('hash') == sha256sum(apkfile):
1319             logging.debug(_("Reading {apkfilename} from cache")
1320                           .format(apkfilename=apkfilename))
1321             usecache = True
1322         else:
1323             logging.debug(_("Ignoring stale cache data for {apkfilename}")
1324                           .format(apkfilename=apkfilename))
1325
1326     if not usecache:
1327         logging.debug(_("Processing {apkfilename}").format(apkfilename=apkfilename))
1328
1329         try:
1330             apk = scan_apk(apkfile)
1331         except BuildException:
1332             logging.warning(_("Skipping '{apkfilename}' with invalid signature!")
1333                             .format(apkfilename=apkfilename))
1334             return True, None, False
1335
1336         # Check for debuggable apks...
1337         if common.is_apk_and_debuggable(apkfile):
1338             logging.warning('{0} is set to android:debuggable="true"'.format(apkfile))
1339
1340         if options.rename_apks:
1341             n = apk['packageName'] + '_' + str(apk['versionCode']) + '.apk'
1342             std_short_name = os.path.join(repodir, n)
1343             if apkfile != std_short_name:
1344                 if os.path.exists(std_short_name):
1345                     std_long_name = std_short_name.replace('.apk', '_' + apk['sig'][:7] + '.apk')
1346                     if apkfile != std_long_name:
1347                         if os.path.exists(std_long_name):
1348                             dupdir = os.path.join('duplicates', repodir)
1349                             if not os.path.isdir(dupdir):
1350                                 os.makedirs(dupdir, exist_ok=True)
1351                             dupfile = os.path.join('duplicates', std_long_name)
1352                             logging.warning('Moving duplicate ' + std_long_name + ' to ' + dupfile)
1353                             os.rename(apkfile, dupfile)
1354                             return True, None, False
1355                         else:
1356                             os.rename(apkfile, std_long_name)
1357                     apkfile = std_long_name
1358                 else:
1359                     os.rename(apkfile, std_short_name)
1360                     apkfile = std_short_name
1361                 apkfilename = apkfile[len(repodir) + 1:]
1362
1363         apk['apkName'] = apkfilename
1364         srcfilename = apkfilename[:-4] + "_src.tar.gz"
1365         if os.path.exists(os.path.join(repodir, srcfilename)):
1366             apk['srcname'] = srcfilename
1367
1368         # verify the jar signature is correct, allow deprecated
1369         # algorithms only if the APK is in the archive.
1370         skipapk = False
1371         if not common.verify_apk_signature(apkfile):
1372             if repodir == 'archive' or allow_disabled_algorithms:
1373                 if common.verify_old_apk_signature(apkfile):
1374                     apk['antiFeatures'].update(['KnownVuln', 'DisabledAlgorithm'])
1375                 else:
1376                     skipapk = True
1377             else:
1378                 skipapk = True
1379
1380         if skipapk:
1381             if archive_bad_sig:
1382                 logging.warning(_('Archiving {apkfilename} with invalid signature!')
1383                                 .format(apkfilename=apkfilename))
1384                 move_apk_between_sections(repodir, 'archive', apk)
1385             else:
1386                 logging.warning(_('Skipping {apkfilename} with invalid signature!')
1387                                 .format(apkfilename=apkfilename))
1388             return True, None, False
1389
1390         apkzip = zipfile.ZipFile(apkfile, 'r')
1391
1392         manifest = apkzip.getinfo('AndroidManifest.xml')
1393         # 1980-0-0 means zeroed out, any other invalid date should trigger a warning
1394         if (1980, 0, 0) != manifest.date_time[0:3]:
1395             try:
1396                 common.check_system_clock(datetime(*manifest.date_time), apkfilename)
1397             except ValueError as e:
1398                 logging.warning(_("{apkfilename}'s AndroidManifest.xml has a bad date: ")
1399                                 .format(apkfilename=apkfile) + str(e))
1400
1401         # extract icons from APK zip file
1402         iconfilename = "%s.%s" % (apk['packageName'], apk['versionCode'])
1403         try:
1404             empty_densities = extract_apk_icons(iconfilename, apk, apkzip, repodir)
1405         finally:
1406             apkzip.close()  # ensure that APK zip file gets closed
1407
1408         # resize existing icons for densities missing in the APK
1409         fill_missing_icon_densities(empty_densities, iconfilename, apk, repodir)
1410
1411         if use_date_from_apk and manifest.date_time[1] != 0:
1412             default_date_param = datetime(*manifest.date_time)
1413         else:
1414             default_date_param = None
1415
1416         # Record in known apks, getting the added date at the same time..
1417         added = knownapks.recordapk(apk['apkName'], apk['packageName'],
1418                                     default_date=default_date_param)
1419         if added:
1420             apk['added'] = added
1421
1422         apkcache[apkfilename] = apk
1423         cachechanged = True
1424
1425     return False, apk, cachechanged
1426
1427
1428 def process_apks(apkcache, repodir, knownapks, use_date_from_apk=False):
1429     """Processes the apks in the given repo directory.
1430
1431     This also extracts the icons.
1432
1433     :param apkcache: current apk cache information
1434     :param repodir: repo directory to scan
1435     :param knownapks: known apks info
1436     :param use_date_from_apk: use date from APK (instead of current date)
1437                               for newly added APKs
1438     :returns: (apks, cachechanged) where apks is a list of apk information,
1439               and cachechanged is True if the apkcache got changed.
1440     """
1441
1442     cachechanged = False
1443
1444     for icon_dir in get_all_icon_dirs(repodir):
1445         if os.path.exists(icon_dir):
1446             if options.clean:
1447                 shutil.rmtree(icon_dir)
1448                 os.makedirs(icon_dir)
1449         else:
1450             os.makedirs(icon_dir)
1451
1452     apks = []
1453     for apkfile in sorted(glob.glob(os.path.join(repodir, '*.apk'))):
1454         apkfilename = apkfile[len(repodir) + 1:]
1455         ada = options.allow_disabled_algorithms or config['allow_disabled_algorithms']
1456         (skip, apk, cachethis) = process_apk(apkcache, apkfilename, repodir, knownapks,
1457                                              use_date_from_apk, ada, True)
1458         if skip:
1459             continue
1460         apks.append(apk)
1461         cachechanged = cachechanged or cachethis
1462
1463     return apks, cachechanged
1464
1465
1466 def extract_apk_icons(icon_filename, apk, apkzip, repo_dir):
1467     """Extracts PNG icons from an APK with the supported pixel densities
1468
1469     Extracts icons from the given APK zip in various densities, saves
1470     them into given repo directory and stores their names in the APK
1471     metadata dictionary.  If the icon is an XML icon, then this tries
1472     to find PNG icon that can replace it.
1473
1474     :param icon_filename: A string representing the icon's file name
1475     :param apk: A populated dictionary containing APK metadata.
1476                 Needs to have 'icons_src' key
1477     :param apkzip: An opened zipfile.ZipFile of the APK file
1478     :param repo_dir: The directory of the APK's repository
1479     :return: A list of icon densities that are missing
1480
1481     """
1482     res_name_re = re.compile(r'res/(drawable|mipmap)-(x*[hlm]dpi|anydpi).*/(.*)_[0-9]+dp.(png|xml)')
1483     pngs = dict()
1484     for f in apkzip.namelist():
1485         m = res_name_re.match(f)
1486         if m and m.group(4) == 'png':
1487             density = screen_resolutions[m.group(2)]
1488             pngs[m.group(3) + '/' + density] = m.group(0)
1489
1490     icon_type = None
1491     empty_densities = []
1492     for density in screen_densities:
1493         if density not in apk['icons_src']:
1494             empty_densities.append(density)
1495             continue
1496         icon_src = apk['icons_src'][density]
1497         icon_dir = get_icon_dir(repo_dir, density)
1498         icon_type = '.png'
1499
1500         # Extract the icon files per density
1501         if icon_src.endswith('.xml'):
1502             m = res_name_re.match(icon_src)
1503             if m:
1504                 name = pngs.get(m.group(3) + '/' + str(density))
1505                 if name:
1506                     icon_src = name
1507             if icon_src.endswith('.xml'):
1508                 empty_densities.append(density)
1509                 icon_type = '.xml'
1510         icon_dest = os.path.join(icon_dir, icon_filename + icon_type)
1511
1512         try:
1513             with open(icon_dest, 'wb') as f:
1514                 f.write(get_icon_bytes(apkzip, icon_src))
1515             apk['icons'][density] = icon_filename + icon_type
1516         except (zipfile.BadZipFile, ValueError, KeyError) as e:
1517             logging.warning("Error retrieving icon file: %s %s", icon_dest, e)
1518             del apk['icons_src'][density]
1519             empty_densities.append(density)
1520
1521     # '-1' here is a remnant of the parsing of aapt output, meaning "no DPI specified"
1522     if '-1' in apk['icons_src']:
1523         icon_src = apk['icons_src']['-1']
1524         icon_type = icon_src[-4:]
1525         icon_path = os.path.join(get_icon_dir(repo_dir, '0'), icon_filename + icon_type)
1526         with open(icon_path, 'wb') as f:
1527             f.write(get_icon_bytes(apkzip, icon_src))
1528         if icon_type == '.png':
1529             im = None
1530             try:
1531                 im = Image.open(icon_path)
1532                 dpi = px_to_dpi(im.size[0])
1533                 for density in screen_densities:
1534                     if density in apk['icons']:
1535                         break
1536                     if density == screen_densities[-1] or dpi >= int(density):
1537                         apk['icons'][density] = icon_filename + icon_type
1538                         shutil.move(icon_path,
1539                                     os.path.join(get_icon_dir(repo_dir, density), icon_filename + icon_type))
1540                         empty_densities.remove(density)
1541                         break
1542             except Exception as e:
1543                 logging.warning(_("Failed reading {path}: {error}")
1544                                 .format(path=icon_path, error=e))
1545             finally:
1546                 if im and hasattr(im, 'close'):
1547                     im.close()
1548
1549     if apk['icons']:
1550         apk['icon'] = icon_filename + icon_type
1551
1552     return empty_densities
1553
1554
1555 def fill_missing_icon_densities(empty_densities, icon_filename, apk, repo_dir):
1556     """
1557     Resize existing PNG icons for densities missing in the APK to ensure all densities are available
1558
1559     :param empty_densities: A list of icon densities that are missing
1560     :param icon_filename: A string representing the icon's file name
1561     :param apk: A populated dictionary containing APK metadata. Needs to have 'icons' key
1562     :param repo_dir: The directory of the APK's repository
1563
1564     """
1565     icon_filename += '.png'
1566     # First try resizing down to not lose quality
1567     last_density = None
1568     for density in screen_densities:
1569         if density == '65534':  # not possible to generate 'anydpi' from other densities
1570             continue
1571         if density not in empty_densities:
1572             last_density = density
1573             continue
1574         if last_density is None:
1575             continue
1576         logging.debug("Density %s not available, resizing down from %s", density, last_density)
1577
1578         last_icon_path = os.path.join(get_icon_dir(repo_dir, last_density), icon_filename)
1579         icon_path = os.path.join(get_icon_dir(repo_dir, density), icon_filename)
1580         fp = None
1581         try:
1582             fp = open(last_icon_path, 'rb')
1583             im = Image.open(fp)
1584
1585             size = dpi_to_px(density)
1586
1587             im.thumbnail((size, size), Image.ANTIALIAS)
1588             im.save(icon_path, "PNG", optimize=True,
1589                     pnginfo=BLANK_PNG_INFO, icc_profile=None)
1590             empty_densities.remove(density)
1591         except Exception as e:
1592             logging.warning("Invalid image file at %s: %s", last_icon_path, e)
1593         finally:
1594             if fp:
1595                 fp.close()
1596
1597     # Then just copy from the highest resolution available
1598     last_density = None
1599     for density in reversed(screen_densities):
1600         if density not in empty_densities:
1601             last_density = density
1602             continue
1603
1604         if last_density is None:
1605             continue
1606
1607         shutil.copyfile(
1608             os.path.join(get_icon_dir(repo_dir, last_density), icon_filename),
1609             os.path.join(get_icon_dir(repo_dir, density), icon_filename)
1610         )
1611         empty_densities.remove(density)
1612
1613     for density in screen_densities:
1614         icon_dir = get_icon_dir(repo_dir, density)
1615         icon_dest = os.path.join(icon_dir, icon_filename)
1616         resize_icon(icon_dest, density)
1617
1618     # Copy from icons-mdpi to icons since mdpi is the baseline density
1619     baseline = os.path.join(get_icon_dir(repo_dir, '160'), icon_filename)
1620     if os.path.isfile(baseline):
1621         apk['icons']['0'] = icon_filename
1622         shutil.copyfile(baseline, os.path.join(get_icon_dir(repo_dir, '0'), icon_filename))
1623
1624
1625 def apply_info_from_latest_apk(apps, apks):
1626     """
1627     Some information from the apks needs to be applied up to the application level.
1628     When doing this, we use the info from the most recent version's apk.
1629     We deal with figuring out when the app was added and last updated at the same time.
1630     """
1631     for appid, app in apps.items():
1632         bestver = UNSET_VERSION_CODE
1633         for apk in apks:
1634             if apk['packageName'] == appid:
1635                 if apk['versionCode'] > bestver:
1636                     bestver = apk['versionCode']
1637                     bestapk = apk
1638
1639                 if 'added' in apk:
1640                     if not app.added or apk['added'] < app.added:
1641                         app.added = apk['added']
1642                     if not app.lastUpdated or apk['added'] > app.lastUpdated:
1643                         app.lastUpdated = apk['added']
1644
1645         if not app.added:
1646             logging.debug("Don't know when " + appid + " was added")
1647         if not app.lastUpdated:
1648             logging.debug("Don't know when " + appid + " was last updated")
1649
1650         if bestver == UNSET_VERSION_CODE:
1651
1652             if app.Name is None:
1653                 app.Name = app.AutoName or appid
1654             app.icon = None
1655             logging.debug("Application " + appid + " has no packages")
1656         else:
1657             if app.Name is None:
1658                 app.Name = bestapk['name']
1659             app.icon = bestapk['icon'] if 'icon' in bestapk else None
1660             if app.CurrentVersionCode is None:
1661                 app.CurrentVersionCode = str(bestver)
1662
1663
1664 def make_categories_txt(repodir, categories):
1665     '''Write a category list in the repo to allow quick access'''
1666     catdata = ''
1667     for cat in sorted(categories):
1668         catdata += cat + '\n'
1669     with open(os.path.join(repodir, 'categories.txt'), 'w', encoding='utf8') as f:
1670         f.write(catdata)
1671
1672
1673 def archive_old_apks(apps, apks, archapks, repodir, archivedir, defaultkeepversions):
1674
1675     def filter_apk_list_sorted(apk_list):
1676         res = []
1677         for apk in apk_list:
1678             if apk['packageName'] == appid:
1679                 res.append(apk)
1680
1681         # Sort the apk list by version code. First is highest/newest.
1682         return sorted(res, key=lambda apk: apk['versionCode'], reverse=True)
1683
1684     for appid, app in apps.items():
1685
1686         if app.ArchivePolicy:
1687             keepversions = int(app.ArchivePolicy[:-9])
1688         else:
1689             keepversions = defaultkeepversions
1690
1691         logging.debug(_("Checking archiving for {appid} - apks:{integer}, keepversions:{keep}, archapks:{arch}")
1692                       .format(appid=appid, integer=len(apks), keep=keepversions, arch=len(archapks)))
1693
1694         current_app_apks = filter_apk_list_sorted(apks)
1695         if len(current_app_apks) > keepversions:
1696             # Move back the ones we don't want.
1697             for apk in current_app_apks[keepversions:]:
1698                 move_apk_between_sections(repodir, archivedir, apk)
1699                 archapks.append(apk)
1700                 apks.remove(apk)
1701
1702         current_app_archapks = filter_apk_list_sorted(archapks)
1703         if len(current_app_apks) < keepversions and len(current_app_archapks) > 0:
1704             kept = 0
1705             # Move forward the ones we want again, except DisableAlgorithm
1706             for apk in current_app_archapks:
1707                 if 'DisabledAlgorithm' not in apk['antiFeatures']:
1708                     move_apk_between_sections(archivedir, repodir, apk)
1709                     archapks.remove(apk)
1710                     apks.append(apk)
1711                     kept += 1
1712                 if kept == keepversions:
1713                     break
1714
1715
1716 def move_apk_between_sections(from_dir, to_dir, apk):
1717     """move an APK from repo to archive or vice versa"""
1718
1719     def _move_file(from_dir, to_dir, filename, ignore_missing):
1720         from_path = os.path.join(from_dir, filename)
1721         if ignore_missing and not os.path.exists(from_path):
1722             return
1723         to_path = os.path.join(to_dir, filename)
1724         if not os.path.exists(to_dir):
1725             os.mkdir(to_dir)
1726         shutil.move(from_path, to_path)
1727
1728     if from_dir == to_dir:
1729         return
1730
1731     logging.info("Moving %s from %s to %s" % (apk['apkName'], from_dir, to_dir))
1732     _move_file(from_dir, to_dir, apk['apkName'], False)
1733     _move_file(from_dir, to_dir, apk['apkName'] + '.asc', True)
1734     for density in all_screen_densities:
1735         from_icon_dir = get_icon_dir(from_dir, density)
1736         to_icon_dir = get_icon_dir(to_dir, density)
1737         if density not in apk.get('icons', []):
1738             continue
1739         _move_file(from_icon_dir, to_icon_dir, apk['icons'][density], True)
1740     if 'srcname' in apk:
1741         _move_file(from_dir, to_dir, apk['srcname'], False)
1742
1743
1744 def add_apks_to_per_app_repos(repodir, apks):
1745     apks_per_app = dict()
1746     for apk in apks:
1747         apk['per_app_dir'] = os.path.join(apk['packageName'], 'fdroid')
1748         apk['per_app_repo'] = os.path.join(apk['per_app_dir'], 'repo')
1749         apk['per_app_icons'] = os.path.join(apk['per_app_repo'], 'icons')
1750         apks_per_app[apk['packageName']] = apk
1751
1752         if not os.path.exists(apk['per_app_icons']):
1753             logging.info(_('Adding new repo for only {name}').format(name=apk['packageName']))
1754             os.makedirs(apk['per_app_icons'])
1755
1756         apkpath = os.path.join(repodir, apk['apkName'])
1757         shutil.copy(apkpath, apk['per_app_repo'])
1758         apksigpath = apkpath + '.sig'
1759         if os.path.exists(apksigpath):
1760             shutil.copy(apksigpath, apk['per_app_repo'])
1761         apkascpath = apkpath + '.asc'
1762         if os.path.exists(apkascpath):
1763             shutil.copy(apkascpath, apk['per_app_repo'])
1764
1765
1766 def create_metadata_from_template(apk):
1767     '''create a new metadata file using internal or external template
1768
1769     Generate warnings for apk's with no metadata (or create skeleton
1770     metadata files, if requested on the command line).  Though the
1771     template file is YAML, this uses neither pyyaml nor ruamel.yaml
1772     since those impose things on the metadata file made from the
1773     template: field sort order, empty field value, formatting, etc.
1774     '''
1775
1776     import yaml
1777     if os.path.exists('template.yml'):
1778         with open('template.yml') as f:
1779             metatxt = f.read()
1780         if 'name' in apk and apk['name'] != '':
1781             metatxt = re.sub(r'''^(((Auto)?Name|Summary):)[ '"\.]*$''',
1782                              r'\1 ' + apk['name'],
1783                              metatxt,
1784                              flags=re.IGNORECASE | re.MULTILINE)
1785         else:
1786             logging.warning(_('{appid} does not have a name! Using package name instead.')
1787                             .format(appid=apk['packageName']))
1788             metatxt = re.sub(r'^(((Auto)?Name|Summary):).*$',
1789                              r'\1 ' + apk['packageName'],
1790                              metatxt,
1791                              flags=re.IGNORECASE | re.MULTILINE)
1792         with open(os.path.join('metadata', apk['packageName'] + '.yml'), 'w') as f:
1793             f.write(metatxt)
1794     else:
1795         app = dict()
1796         app['Categories'] = [os.path.basename(os.getcwd())]
1797         # include some blanks as part of the template
1798         app['AuthorName'] = ''
1799         app['Summary'] = ''
1800         app['WebSite'] = ''
1801         app['IssueTracker'] = ''
1802         app['SourceCode'] = ''
1803         app['CurrentVersionCode'] = 2147483647  # Java's Integer.MAX_VALUE
1804         if 'name' in apk and apk['name'] != '':
1805             app['Name'] = apk['name']
1806         else:
1807             logging.warning(_('{appid} does not have a name! Using package name instead.')
1808                             .format(appid=apk['packageName']))
1809             app['Name'] = apk['packageName']
1810         with open(os.path.join('metadata', apk['packageName'] + '.yml'), 'w') as f:
1811             yaml.dump(app, f, default_flow_style=False)
1812     logging.info(_("Generated skeleton metadata for {appid}").format(appid=apk['packageName']))
1813
1814
1815 config = None
1816 options = None
1817 start_timestamp = time.gmtime()
1818
1819
1820 def main():
1821
1822     global config, options
1823
1824     # Parse command line...
1825     parser = ArgumentParser()
1826     common.setup_global_opts(parser)
1827     parser.add_argument("--create-key", action="store_true", default=False,
1828                         help=_("Add a repo signing key to an unsigned repo"))
1829     parser.add_argument("-c", "--create-metadata", action="store_true", default=False,
1830                         help=_("Add skeleton metadata files for APKs that are missing them"))
1831     parser.add_argument("--delete-unknown", action="store_true", default=False,
1832                         help=_("Delete APKs and/or OBBs without metadata from the repo"))
1833     parser.add_argument("-b", "--buildreport", action="store_true", default=False,
1834                         help=_("Report on build data status"))
1835     parser.add_argument("-i", "--interactive", default=False, action="store_true",
1836                         help=_("Interactively ask about things that need updating."))
1837     parser.add_argument("-I", "--icons", action="store_true", default=False,
1838                         help=_("Resize all the icons exceeding the max pixel size and exit"))
1839     parser.add_argument("-e", "--editor", default="/etc/alternatives/editor",
1840                         help=_("Specify editor to use in interactive mode. Default " +
1841                                "is {path}").format(path='/etc/alternatives/editor'))
1842     parser.add_argument("-w", "--wiki", default=False, action="store_true",
1843                         help=_("Update the wiki"))
1844     parser.add_argument("--pretty", action="store_true", default=False,
1845                         help=_("Produce human-readable XML/JSON for index files"))
1846     parser.add_argument("--clean", action="store_true", default=False,
1847                         help=_("Clean update - don't uses caches, reprocess all APKs"))
1848     parser.add_argument("--nosign", action="store_true", default=False,
1849                         help=_("When configured for signed indexes, create only unsigned indexes at this stage"))
1850     parser.add_argument("--use-date-from-apk", action="store_true", default=False,
1851                         help=_("Use date from APK instead of current time for newly added APKs"))
1852     parser.add_argument("--rename-apks", action="store_true", default=False,
1853                         help=_("Rename APK files that do not match package.name_123.apk"))
1854     parser.add_argument("--allow-disabled-algorithms", action="store_true", default=False,
1855                         help=_("Include APKs that are signed with disabled algorithms like MD5"))
1856     metadata.add_metadata_arguments(parser)
1857     options = parser.parse_args()
1858     metadata.warnings_action = options.W
1859
1860     config = common.read_config(options)
1861
1862     if not ('jarsigner' in config and 'keytool' in config):
1863         raise FDroidException(_('Java JDK not found! Install in standard location or set java_paths!'))
1864
1865     repodirs = ['repo']
1866     if config['archive_older'] != 0:
1867         repodirs.append('archive')
1868         if not os.path.exists('archive'):
1869             os.mkdir('archive')
1870
1871     if options.icons:
1872         resize_all_icons(repodirs)
1873         sys.exit(0)
1874
1875     if options.rename_apks:
1876         options.clean = True
1877
1878     # check that icons exist now, rather than fail at the end of `fdroid update`
1879     for k in ['repo_icon', 'archive_icon']:
1880         if k in config:
1881             if not os.path.exists(config[k]):
1882                 logging.critical(_('{name} "{path}" does not exist! Correct it in config.py.')
1883                                  .format(name=k, path=config[k]))
1884                 sys.exit(1)
1885
1886     # if the user asks to create a keystore, do it now, reusing whatever it can
1887     if options.create_key:
1888         if os.path.exists(config['keystore']):
1889             logging.critical(_("Cowardily refusing to overwrite existing signing key setup!"))
1890             logging.critical("\t'" + config['keystore'] + "'")
1891             sys.exit(1)
1892
1893         if 'repo_keyalias' not in config:
1894             config['repo_keyalias'] = socket.getfqdn()
1895             common.write_to_config(config, 'repo_keyalias', config['repo_keyalias'])
1896         if 'keydname' not in config:
1897             config['keydname'] = 'CN=' + config['repo_keyalias'] + ', OU=F-Droid'
1898             common.write_to_config(config, 'keydname', config['keydname'])
1899         if 'keystore' not in config:
1900             config['keystore'] = common.default_config['keystore']
1901             common.write_to_config(config, 'keystore', config['keystore'])
1902
1903         password = common.genpassword()
1904         if 'keystorepass' not in config:
1905             config['keystorepass'] = password
1906             common.write_to_config(config, 'keystorepass', config['keystorepass'])
1907         if 'keypass' not in config:
1908             config['keypass'] = password
1909             common.write_to_config(config, 'keypass', config['keypass'])
1910         common.genkeystore(config)
1911
1912     # Get all apps...
1913     apps = metadata.read_metadata()
1914
1915     # Generate a list of categories...
1916     categories = set()
1917     for app in apps.values():
1918         categories.update(app.Categories)
1919
1920     # Read known apks data (will be updated and written back when we've finished)
1921     knownapks = common.KnownApks()
1922
1923     # Get APK cache
1924     apkcache = get_cache()
1925
1926     # Delete builds for disabled apps
1927     delete_disabled_builds(apps, apkcache, repodirs)
1928
1929     # Scan all apks in the main repo
1930     apks, cachechanged = process_apks(apkcache, repodirs[0], knownapks, options.use_date_from_apk)
1931
1932     files, fcachechanged = scan_repo_files(apkcache, repodirs[0], knownapks,
1933                                            options.use_date_from_apk)
1934     cachechanged = cachechanged or fcachechanged
1935     apks += files
1936     for apk in apks:
1937         if apk['packageName'] not in apps:
1938             if options.create_metadata:
1939                 create_metadata_from_template(apk)
1940                 apps = metadata.read_metadata()
1941             else:
1942                 msg = _("{apkfilename} ({appid}) has no metadata!") \
1943                     .format(apkfilename=apk['apkName'], appid=apk['packageName'])
1944                 if options.delete_unknown:
1945                     logging.warn(msg + '\n\t' + _("deleting: repo/{apkfilename}")
1946                                  .format(apkfilename=apk['apkName']))
1947                     rmf = os.path.join(repodirs[0], apk['apkName'])
1948                     if not os.path.exists(rmf):
1949                         logging.error(_("Could not find {path} to remove it").format(path=rmf))
1950                     else:
1951                         os.remove(rmf)
1952                 else:
1953                     logging.warn(msg + '\n\t' + _("Use `fdroid update -c` to create it."))
1954
1955     copy_triple_t_store_metadata(apps)
1956     insert_obbs(repodirs[0], apps, apks)
1957     insert_localized_app_metadata(apps)
1958     translate_per_build_anti_features(apps, apks)
1959
1960     # Scan the archive repo for apks as well
1961     if len(repodirs) > 1:
1962         archapks, cc = process_apks(apkcache, repodirs[1], knownapks, options.use_date_from_apk)
1963         if cc:
1964             cachechanged = True
1965     else:
1966         archapks = []
1967
1968     # Apply information from latest apks to the application and update dates
1969     apply_info_from_latest_apk(apps, apks + archapks)
1970
1971     # Sort the app list by name, then the web site doesn't have to by default.
1972     # (we had to wait until we'd scanned the apks to do this, because mostly the
1973     # name comes from there!)
1974     sortedids = sorted(apps.keys(), key=lambda appid: apps[appid].Name.upper())
1975
1976     # APKs are placed into multiple repos based on the app package, providing
1977     # per-app subscription feeds for nightly builds and things like it
1978     if config['per_app_repos']:
1979         add_apks_to_per_app_repos(repodirs[0], apks)
1980         for appid, app in apps.items():
1981             repodir = os.path.join(appid, 'fdroid', 'repo')
1982             appdict = dict()
1983             appdict[appid] = app
1984             if os.path.isdir(repodir):
1985                 index.make(appdict, [appid], apks, repodir, False)
1986             else:
1987                 logging.info(_('Skipping index generation for {appid}').format(appid=appid))
1988         return
1989
1990     if len(repodirs) > 1:
1991         archive_old_apks(apps, apks, archapks, repodirs[0], repodirs[1], config['archive_older'])
1992
1993     # Make the index for the main repo...
1994     index.make(apps, sortedids, apks, repodirs[0], False)
1995     make_categories_txt(repodirs[0], categories)
1996
1997     # If there's an archive repo,  make the index for it. We already scanned it
1998     # earlier on.
1999     if len(repodirs) > 1:
2000         index.make(apps, sortedids, archapks, repodirs[1], True)
2001
2002     git_remote = config.get('binary_transparency_remote')
2003     if git_remote or os.path.isdir(os.path.join('binary_transparency', '.git')):
2004         from . import btlog
2005         btlog.make_binary_transparency_log(repodirs)
2006
2007     if config['update_stats']:
2008         # Update known apks info...
2009         knownapks.writeifchanged()
2010
2011         # Generate latest apps data for widget
2012         if os.path.exists(os.path.join('stats', 'latestapps.txt')):
2013             data = ''
2014             with open(os.path.join('stats', 'latestapps.txt'), 'r', encoding='utf8') as f:
2015                 for line in f:
2016                     appid = line.rstrip()
2017                     data += appid + "\t"
2018                     app = apps[appid]
2019                     data += app.Name + "\t"
2020                     if app.icon is not None:
2021                         data += app.icon + "\t"
2022                     data += app.License + "\n"
2023             with open(os.path.join(repodirs[0], 'latestapps.dat'), 'w', encoding='utf8') as f:
2024                 f.write(data)
2025
2026     if cachechanged:
2027         write_cache(apkcache)
2028
2029     # Update the wiki...
2030     if options.wiki:
2031         update_wiki(apps, sortedids, apks + archapks)
2032
2033     logging.info(_("Finished"))
2034
2035
2036 if __name__ == "__main__":
2037     main()