/*
* This file is part of DisOrder.
- * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2004-2008 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include "mem.h"
#include "vector.h"
#include "sink.h"
-#include "cgi.h"
-#include "dcgi.h"
+#include "server-cgi.h"
#include "log.h"
#include "configuration.h"
#include "table.h"
#include "defs.h"
#include "trackname.h"
#include "charset.h"
+#include "dcgi.h"
+#include "url.h"
+#include "mime.h"
+#include "sendmail.h"
+#include "base64.h"
+
+char *login_cookie;
static void expand(cgi_sink *output,
const char *template,
const char *display;
};
+static const char nonce_base64_table[] =
+ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-/*";
+
static const char *nonce(void) {
- static unsigned long count;
- char *s;
-
- byte_xasprintf(&s, "%lx%lx%lx",
- (unsigned long)time(0),
- (unsigned long)getpid(),
- count++);
- return s;
+ static uint32_t count;
+
+ struct ndata {
+ uint16_t count;
+ uint16_t pid;
+ uint32_t when;
+ } nd;
+
+ nd.count = count++;
+ nd.pid = (uint32_t)getpid();
+ nd.when = (uint32_t)time(0);
+ return generic_to_base64((void *)&nd, sizeof nd,
+ nonce_base64_table);
}
static int compare_entry(const void *a, const void *b) {
return config->url;
}
+static void header_cookie(struct sink *output) {
+ struct dynstr d[1];
+ struct url u;
+
+ memset(&u, 0, sizeof u);
+ dynstr_init(d);
+ parse_url(config->url, &u);
+ if(login_cookie) {
+ dynstr_append_string(d, "disorder=");
+ dynstr_append_string(d, login_cookie);
+ } else {
+ /* Force browser to discard cookie */
+ dynstr_append_string(d, "disorder=none;Max-Age=0");
+ }
+ if(u.path) {
+ /* The default domain matches the request host, so we need not override
+ * that. But the default path only goes up to the rightmost /, which would
+ * cause the browser to expose the cookie to other CGI programs on the same
+ * web server. */
+ dynstr_append_string(d, ";Version=1;Path=");
+ /* Formally we are supposed to quote the path, since it invariably has a
+ * slash in it. However Safari does not parse quoted paths correctly, so
+ * this won't work. Fortunately nothing else seems to care about proper
+ * quoting of paths, so in practice we get with it. (See also
+ * parse_cookie() where we are liberal about cookie paths on the way back
+ * in.) */
+ dynstr_append_string(d, u.path);
+ }
+ dynstr_terminate(d);
+ cgi_header(output, "Set-Cookie", d->vec);
+}
+
static void redirect(struct sink *output) {
const char *back;
- cgi_header(output, "Location",
- (back = cgi_get("back")) ? back : front_url());
+ back = cgi_get("back");
+ cgi_header(output, "Location", back && *back ? back : front_url());
+ header_cookie(output);
cgi_body(output);
}
-static void lookups(dcgi_state *ds, unsigned want) {
- unsigned need;
- struct queue_entry *r, *rnext;
- const char *dir, *re;
-
- if(ds->g->client && (need = want ^ (ds->g->flags & want)) != 0) {
- if(need & DC_QUEUE)
- disorder_queue(ds->g->client, &ds->g->queue);
- if(need & DC_PLAYING)
- disorder_playing(ds->g->client, &ds->g->playing);
- if(need & DC_NEW)
- disorder_new_tracks(ds->g->client, &ds->g->new, &ds->g->nnew, 0);
- if(need & DC_RECENT) {
- /* we need to reverse the order of the list */
- disorder_recent(ds->g->client, &r);
- while(r) {
- rnext = r->next;
- r->next = ds->g->recent;
- ds->g->recent = r;
- r = rnext;
- }
- }
- if(need & DC_VOLUME)
- disorder_get_volume(ds->g->client,
- &ds->g->volume_left, &ds->g->volume_right);
- if(need & (DC_FILES|DC_DIRS)) {
- if(!(dir = cgi_get("directory")))
- dir = "";
- re = cgi_get("regexp");
- if(need & DC_DIRS)
- if(disorder_directories(ds->g->client, dir, re,
- &ds->g->dirs, &ds->g->ndirs))
- ds->g->ndirs = 0;
- if(need & DC_FILES)
- if(disorder_files(ds->g->client, dir, re,
- &ds->g->files, &ds->g->nfiles))
- ds->g->nfiles = 0;
- }
- ds->g->flags |= need;
- }
+static void expand_template(dcgi_state *ds, cgi_sink *output,
+ const char *action) {
+ cgi_header(output->sink, "Content-Type", "text/html");
+ header_cookie(output->sink);
+ cgi_body(output->sink);
+ expand(output, action, ds);
}
/* actions ********************************************************************/
byte_snprintf(r, sizeof r, "%ld;url=%s", refresh > 0 ? refresh : 1,
front_url());
cgi_header(output->sink, "Refresh", r);
+ header_cookie(output->sink);
cgi_body(output->sink);
expand(output, "playing", ds);
}
* URL) */
cgi_header(output->sink, "Location",
(back = cgi_get("back")) ? back : volume_url());
+ header_cookie(output->sink);
cgi_body(output->sink);
} else {
cgi_header(output->sink, "Content-Type", "text/html");
+ header_cookie(output->sink);
cgi_body(output->sink);
expand(output, "volume", ds);
}
disorder_unset(ds->g->client, file, "pick_at_random");
else
disorder_set(ds->g->client, file, "pick_at_random", "0");
- if((value = numbered_arg("tags", numfile)))
- disorder_set(ds->g->client, file, "tags", value);
+ if((value = numbered_arg("tags", numfile))) {
+ if(!*value)
+ disorder_unset(ds->g->client, file, "tags");
+ else
+ disorder_set(ds->g->client, file, "tags", value);
+ }
+ if((value = numbered_arg("weight", numfile))) {
+ if(!*value || !strcmp(value, "90000"))
+ disorder_unset(ds->g->client, file, "weight");
+ else
+ disorder_set(ds->g->client, file, "weight", value);
+ }
} else if((name = cgi_get("name"))) {
/* Raw preferences. Not well supported in the templates at the moment. */
value = cgi_get("value");
for(numfile = 0; numfile < nfiles; ++numfile)
process_prefs(ds, numfile);
cgi_header(output->sink, "Content-Type", "text/html");
+ header_cookie(output->sink);
cgi_body(output->sink);
expand(output, "prefs", ds);
}
redirect(output->sink);
}
+static void act_login(cgi_sink *output,
+ dcgi_state *ds) {
+ const char *username, *password, *back;
+ disorder_client *c;
+
+ username = cgi_get("username");
+ password = cgi_get("password");
+ if(!username || !password
+ || !strcmp(username, "guest")/*bodge to avoid guest cookies*/) {
+ /* We're just visiting the login page */
+ expand_template(ds, output, "login");
+ return;
+ }
+ /* We'll need a new connection as we are going to stop being guest */
+ c = disorder_new(0);
+ if(disorder_connect_user(c, username, password)) {
+ cgi_set_option("error", "loginfailed");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(disorder_make_cookie(c, &login_cookie)) {
+ cgi_set_option("error", "cookiefailed");
+ expand_template(ds, output, "login");
+ return;
+ }
+ /* Use the new connection henceforth */
+ ds->g->client = c;
+ ds->g->flags = 0;
+ /* We have a new cookie */
+ header_cookie(output->sink);
+ cgi_set_option("status", "loginok");
+ if((back = cgi_get("back")) && *back)
+ /* Redirect back to somewhere or other */
+ redirect(output->sink);
+ else
+ /* Stick to the login page */
+ expand_template(ds, output, "login");
+}
+
+static void act_logout(cgi_sink *output,
+ dcgi_state *ds) {
+ disorder_revoke(ds->g->client);
+ login_cookie = 0;
+ /* Reconnect as guest */
+ disorder_cgi_login(ds, output);
+ /* Back to the login page */
+ cgi_set_option("status", "logoutok");
+ expand_template(ds, output, "login");
+}
+
+static void act_register(cgi_sink *output,
+ dcgi_state *ds) {
+ const char *username, *password, *password2, *email;
+ char *confirm, *content_type;
+ const char *text, *encoding, *charset;
+
+ username = cgi_get("username");
+ password = cgi_get("password1");
+ password2 = cgi_get("password2");
+ email = cgi_get("email");
+
+ if(!username || !*username) {
+ cgi_set_option("error", "nousername");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(!password || !*password) {
+ cgi_set_option("error", "nopassword");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(!password2 || !*password2 || strcmp(password, password2)) {
+ cgi_set_option("error", "passwordmismatch");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(!email || !*email) {
+ cgi_set_option("error", "noemail");
+ expand_template(ds, output, "login");
+ return;
+ }
+ /* We could well do better address validation but for now we'll just do the
+ * minimum */
+ if(!strchr(email, '@')) {
+ cgi_set_option("error", "bademail");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(disorder_register(ds->g->client, username, password, email, &confirm)) {
+ cgi_set_option("error", "cannotregister");
+ expand_template(ds, output, "login");
+ return;
+ }
+ /* Send the user a mail */
+ /* TODO templatize this */
+ byte_xasprintf((char **)&text,
+ "Welcome to DisOrder. To active your login, please visit this URL:\n"
+ "\n"
+ "%s?c=%s\n", config->url, urlencodestring(confirm));
+ if(!(text = mime_encode_text(text, &charset, &encoding)))
+ fatal(0, "cannot encode email");
+ byte_xasprintf(&content_type, "text/plain;charset=%s",
+ quote822(charset, 0));
+ sendmail("", config->mail_sender, email, "Welcome to DisOrder",
+ encoding, content_type, text); /* TODO error checking */
+ /* We'll go back to the login page with a suitable message */
+ cgi_set_option("status", "registered");
+ expand_template(ds, output, "login");
+}
+
+static void act_confirm(cgi_sink *output,
+ dcgi_state *ds) {
+ const char *confirmation;
+
+ if(!(confirmation = cgi_get("c"))) {
+ cgi_set_option("error", "noconfirm");
+ expand_template(ds, output, "login");
+ }
+ /* Confirm our registration */
+ if(disorder_confirm(ds->g->client, confirmation)) {
+ cgi_set_option("error", "badconfirm");
+ expand_template(ds, output, "login");
+ }
+ /* Get a cookie */
+ if(disorder_make_cookie(ds->g->client, &login_cookie)) {
+ cgi_set_option("error", "cookiefailed");
+ expand_template(ds, output, "login");
+ return;
+ }
+ /* Discard any cached data JIC */
+ ds->g->flags = 0;
+ /* We have a new cookie */
+ header_cookie(output->sink);
+ cgi_set_option("status", "confirmed");
+ expand_template(ds, output, "login");
+}
+
+static void act_edituser(cgi_sink *output,
+ dcgi_state *ds) {
+ const char *email = cgi_get("email"), *password = cgi_get("changepassword1");
+ const char *password2 = cgi_get("changepassword2");
+ int newpassword = 0;
+ disorder_client *c;
+
+ if((password && *password) || (password && *password2)) {
+ if(!password || !password2 || strcmp(password, password2)) {
+ cgi_set_option("error", "passwordmismatch");
+ expand_template(ds, output, "login");
+ return;
+ }
+ } else
+ password = password2 = 0;
+
+ if(email) {
+ if(disorder_edituser(ds->g->client, disorder_user(ds->g->client),
+ "email", email)) {
+ cgi_set_option("error", "badedit");
+ expand_template(ds, output, "login");
+ return;
+ }
+ }
+ if(password) {
+ if(disorder_edituser(ds->g->client, disorder_user(ds->g->client),
+ "password", password)) {
+ cgi_set_option("error", "badedit");
+ expand_template(ds, output, "login");
+ return;
+ }
+ newpassword = 1;
+ }
+ if(newpassword) {
+ login_cookie = 0; /* it'll be invalid now */
+ /* This is a bit duplicative of act_login() */
+ c = disorder_new(0);
+ if(disorder_connect_user(c, disorder_user(ds->g->client), password)) {
+ cgi_set_option("error", "loginfailed");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(disorder_make_cookie(c, &login_cookie)) {
+ cgi_set_option("error", "cookiefailed");
+ expand_template(ds, output, "login");
+ return;
+ }
+ /* Use the new connection henceforth */
+ ds->g->client = c;
+ ds->g->flags = 0;
+ /* We have a new cookie */
+ header_cookie(output->sink);
+ }
+ cgi_set_option("status", "edited");
+ expand_template(ds, output, "login");
+}
+
+static void act_reminder(cgi_sink *output,
+ dcgi_state *ds) {
+ const char *const username = cgi_get("username");
+
+ if(!username || !*username) {
+ cgi_set_option("error", "nousername");
+ expand_template(ds, output, "login");
+ return;
+ }
+ if(disorder_reminder(ds->g->client, username)) {
+ cgi_set_option("error", "reminderfailed");
+ expand_template(ds, output, "login");
+ return;
+ }
+ cgi_set_option("status", "reminded");
+ expand_template(ds, output, "login");
+}
+
static const struct action {
const char *name;
void (*handler)(cgi_sink *output, dcgi_state *ds);
} actions[] = {
+ { "confirm", act_confirm },
{ "disable", act_disable },
+ { "edituser", act_edituser },
{ "enable", act_enable },
+ { "login", act_login },
+ { "logout", act_logout },
{ "move", act_move },
{ "pause", act_pause },
{ "play", act_play },
{ "prefs", act_prefs },
{ "random-disable", act_random_disable },
{ "random-enable", act_random_enable },
+ { "register", act_register },
+ { "reminder", act_reminder },
{ "remove", act_remove },
{ "resume", act_resume },
{ "scratch", act_scratch },
/* expansions *****************************************************************/
-static void exp_include(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- expand(output, args[0], u);
-}
-
-static void exp_server_version(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- const char *v;
-
- if(ds->g->client) {
- if(disorder_version(ds->g->client, (char **)&v)) v = "(cannot get version)";
- } else
- v = "(server not running)";
- cgi_output(output, "%s", v);
-}
-
-static void exp_version(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", disorder_version_string);
-}
-
-static void exp_nonce(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", nonce());
-}
-
static void exp_label(int attribute((unused)) nargs,
char **args,
cgi_sink *output,
time_t when;
};
-static void exp_who(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->track && ds->track->submitter)
- cgi_output(output, "%s", ds->track->submitter);
-}
-
-static void exp_length(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- long length = 0;
-
- if(ds->track
- && (ds->track->state == playing_started
- || ds->track->state == playing_paused)
- && ds->track->sofar >= 0)
- cgi_output(output, "%ld:%02ld/",
- ds->track->sofar / 60, ds->track->sofar % 60);
- length = 0;
- if(ds->track)
- disorder_length(ds->g->client, ds->track->track, &length);
- else if(ds->tracks)
- disorder_length(ds->g->client, ds->tracks[0], &length);
- if(length)
- cgi_output(output, "%ld:%02ld", length / 60, length % 60);
- else
- sink_printf(output->sink, "%s", " ");
-}
-
-static void exp_when(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- const struct tm *w = 0;
-
- if(ds->track)
- switch(ds->track->state) {
- case playing_isscratch:
- case playing_unplayed:
- case playing_random:
- if(ds->track->expected)
- w = localtime(&ds->track->expected);
- break;
- case playing_failed:
- case playing_no_player:
- case playing_ok:
- case playing_scratched:
- case playing_started:
- case playing_paused:
- case playing_quitting:
- if(ds->track->played)
- w = localtime(&ds->track->played);
- break;
- }
- if(w)
- cgi_output(output, "%d:%02d", w->tm_hour, w->tm_min);
- else
- sink_printf(output->sink, " ");
-}
-
-static void exp_part(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- const char *s, *track, *part, *context;
-
- if(nargs == 3)
- track = args[2];
- else {
- if(ds->track)
- track = ds->track->track;
- else if(ds->tracks)
- track = ds->tracks[0];
- else
- track = 0;
- }
- if(track) {
- switch(nargs) {
- case 1:
- context = "display";
- part = args[0];
- break;
- case 2:
- case 3:
- context = args[0];
- part = args[1];
- break;
- default:
- abort();
- }
- if(disorder_part(ds->g->client, (char **)&s, track,
- !strcmp(context, "short") ? "display" : context, part))
- fatal(0, "disorder_part() failed");
- if(!strcmp(context, "short"))
- s = truncate_for_display(s, config->short_display);
- cgi_output(output, "%s", s);
- } else
- sink_printf(output->sink, " ");
-}
-
-static void exp_playing(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state s;
-
- lookups(ds, DC_PLAYING);
- memset(&s, 0, sizeof s);
- s.g = ds->g;
- if(ds->g->playing) {
- s.track = ds->g->playing;
- expandstring(output, args[0], &s);
- }
-}
-
-static void exp_queue(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state s;
- struct queue_entry *q;
-
- lookups(ds, DC_QUEUE);
- memset(&s, 0, sizeof s);
- s.g = ds->g;
- s.first = 1;
- for(q = ds->g->queue; q; q = q->next) {
- s.last = !q->next;
- s.track = q;
- expandstring(output, args[0], &s);
- s.index++;
- s.first = 0;
- }
-}
-
-static void exp_recent(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state s;
- struct queue_entry *q;
-
- lookups(ds, DC_RECENT);
- memset(&s, 0, sizeof s);
- s.g = ds->g;
- s.first = 1;
- for(q = ds->g->recent; q; q = q->next) {
- s.last = !q;
- s.track = q;
- expandstring(output, args[0], &s);
- s.index++;
- s.first = 0;
- }
-}
-
-static void exp_new(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state s;
-
- lookups(ds, DC_NEW);
- memset(&s, 0, sizeof s);
- s.g = ds->g;
- s.first = 1;
- for(s.index = 0; s.index < ds->g->nnew; ++s.index) {
- s.last = s.index + 1 < ds->g->nnew;
- s.tracks = &ds->g->new[s.index];
- expandstring(output, args[0], &s);
- s.first = 0;
- }
-}
-
-static void exp_url(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", config->url);
-}
-
struct result {
char *track;
const char *sort;
assert(substate.last != 0);
}
-static void exp_arg(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- const char *v;
-
- if((v = cgi_get(args[0])))
- cgi_output(output, "%s", v);
-}
-
static void exp_stats(int attribute((unused)) nargs,
char attribute((unused)) **args,
cgi_sink *output,
cgi_closetag(output->sink, "pre");
}
-static void exp_volume(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_VOLUME);
- if(!strcmp(args[0], "left"))
- cgi_output(output, "%d", ds->g->volume_left);
- else
- cgi_output(output, "%d", ds->g->volume_right);
-}
-
-static void exp_shell(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- int w, p[2], n;
- char buffer[4096];
- pid_t pid;
-
- xpipe(p);
- if(!(pid = xfork())) {
- exitfn = _exit;
- xclose(p[0]);
- xdup2(p[1], 1);
- xclose(p[1]);
- execlp("sh", "sh", "-c", args[0], (char *)0);
- fatal(errno, "error executing sh");
- }
- xclose(p[1]);
- while((n = read(p[0], buffer, sizeof buffer))) {
- if(n < 0) {
- if(errno == EINTR) continue;
- else fatal(errno, "error reading from pipe");
- }
- output->sink->write(output->sink, buffer, n);
- }
- xclose(p[0]);
- while((n = waitpid(pid, &w, 0)) < 0 && errno == EINTR)
- ;
- if(n < 0) fatal(errno, "error calling waitpid");
- if(w)
- error(0, "shell command '%s' %s", args[0], wstat(w));
-}
-
-static inline int str2bool(const char *s) {
- return !strcmp(s, "true");
-}
-
-static inline const char *bool2str(int n) {
- return n ? "true" : "false";
-}
-
static char *expandarg(const char *arg, dcgi_state *ds) {
struct dynstr d;
cgi_sink output;
return d.vec;
}
-static void exp_prefs(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state substate;
- struct kvp *k;
- const char *file = expandarg(args[0], ds);
-
- memset(&substate, 0, sizeof substate);
- substate.g = ds->g;
- substate.first = 1;
- if(disorder_prefs(ds->g->client, file, &k)) return;
- while(k) {
- substate.last = !k->next;
- substate.pref = k;
- expandstring(output, args[1], &substate);
- ++substate.index;
- k = k->next;
- substate.first = 0;
- }
-}
-
-static void exp_pref(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- char *value;
- dcgi_state *ds = u;
-
- if(!disorder_get(ds->g->client, args[0], args[1], &value))
- cgi_output(output, "%s", value);
-}
-
-static void exp_if(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- int n = str2bool(expandarg(args[0], ds)) ? 1 : 2;
-
- if(n < nargs)
- expandstring(output, args[n], ds);
-}
-
-static void exp_and(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- int n, result = 1;
-
- for(n = 0; n < nargs; ++n)
- if(!str2bool(expandarg(args[n], ds))) {
- result = 0;
- break;
- }
- sink_printf(output->sink, "%s", bool2str(result));
-}
-
-static void exp_or(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- int n, result = 0;
-
- for(n = 0; n < nargs; ++n)
- if(str2bool(expandarg(args[n], ds))) {
- result = 1;
- break;
- }
- sink_printf(output->sink, "%s", bool2str(result));
-}
-
-static void exp_not(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- sink_printf(output->sink, "%s", bool2str(!str2bool(args[0])));
-}
-
-static void exp_isplaying(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_PLAYING);
- sink_printf(output->sink, "%s", bool2str(!!ds->g->playing));
-}
-
-static void exp_isqueue(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_QUEUE);
- sink_printf(output->sink, "%s", bool2str(!!ds->g->queue));
-}
-
-static void exp_isrecent(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_RECENT);
- sink_printf(output->sink, "%s", bool2str(!!ds->g->recent));
-}
-
-static void exp_isnew(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_NEW);
- sink_printf(output->sink, "%s", bool2str(!!ds->g->nnew));
-}
-
-static void exp_id(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->track)
- cgi_output(output, "%s", ds->track->id);
-}
-
-static void exp_track(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->track)
- cgi_output(output, "%s", ds->track->track);
-}
-
-static void exp_parity(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- cgi_output(output, "%s", ds->index % 2 ? "odd" : "even");
-}
-
-static void exp_comment(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink attribute((unused)) *output,
- void attribute((unused)) *u) {
- /* do nothing */
-}
-
-static void exp_prefname(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->pref && ds->pref->name)
- cgi_output(output, "%s", ds->pref->name);
-}
-
-static void exp_prefvalue(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->pref && ds->pref->value)
- cgi_output(output, "%s", ds->pref->value);
-}
-
static void exp_isfiles(int attribute((unused)) nargs,
char attribute((unused)) **args,
cgi_sink *output,
cgi_output(output, "%s", ds->tracks[0]);
}
-static void exp_transform(int nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- const char *context = nargs > 2 ? args[2] : "display";
-
- cgi_output(output, "%s", trackname_transform(args[1], args[0], context));
-}
-
-static void exp_urlquote(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", urlencodestring(args[0]));
-}
-
-static void exp_scratchable(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- dcgi_state *ds = u;
- int result;
-
- if(config->restrictions & RESTRICT_SCRATCH) {
- lookups(ds, DC_PLAYING);
- result = (ds->g->playing
- && (!ds->g->playing->submitter
- || !strcmp(ds->g->playing->submitter,
- disorder_user(ds->g->client))));
- } else
- result = 1;
- sink_printf(output->sink, "%s", bool2str(result));
-}
-
-static void exp_removable(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- dcgi_state *ds = u;
- int result;
-
- if(config->restrictions & RESTRICT_REMOVE)
- result = (ds->track
- && ds->track->submitter
- && !strcmp(ds->track->submitter,
- disorder_user(ds->g->client)));
- else
- result = 1;
- sink_printf(output->sink, "%s", bool2str(result));
-}
-
static void exp_navigate(int attribute((unused)) nargs,
char **args,
cgi_sink *output,
cgi_output(output, "%.*s", ds->nav_dirlen, ds->nav_path);
}
-static void exp_eq(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", bool2str(!strcmp(args[0], args[1])));
-}
-
-static void exp_ne(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", bool2str(strcmp(args[0], args[1])));
-}
-
-static void exp_enabled(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- int enabled = 0;
-
- if(ds->g->client)
- disorder_enabled(ds->g->client, &enabled);
- cgi_output(output, "%s", bool2str(enabled));
-}
-
-static void exp_random_enabled(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- int enabled = 0;
-
- if(ds->g->client)
- disorder_random_enabled(ds->g->client, &enabled);
- cgi_output(output, "%s", bool2str(enabled));
-}
-
-static void exp_trackstate(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- struct queue_entry *q;
- char *track;
-
- if(disorder_resolve(ds->g->client, &track, args[0])) return;
- lookups(ds, DC_QUEUE|DC_PLAYING);
- if(ds->g->playing && !strcmp(ds->g->playing->track, track))
- cgi_output(output, "playing");
- else {
- for(q = ds->g->queue; q && strcmp(q->track, track); q = q->next)
- ;
- if(q)
- cgi_output(output, "queued");
- }
-}
-
-static void exp_thisurl(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- kvp_set(&cgi_args, "nonce", nonce()); /* nonces had better differ! */
- cgi_output(output, "%s?%s", config->url, kvp_urlencode(cgi_args, 0));
-}
-
-static void exp_isfirst(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- sink_printf(output->sink, "%s", bool2str(!!ds->first));
-}
-
-static void exp_islast(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- sink_printf(output->sink, "%s", bool2str(!!ds->last));
-}
-
-static void exp_action(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- const char *action = cgi_get("action"), *mgmt;
-
- if(!action) action = "playing";
- if(!strcmp(action, "playing")
- && (mgmt = cgi_get("mgmt"))
- && !strcmp(mgmt, "true"))
- action = "manage";
- sink_printf(output->sink, "%s", action);
-}
-
-static void exp_resolve(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- dcgi_state *ds = u;
- char *track;
-
- if(!disorder_resolve(ds->g->client, &track, args[0]))
- sink_printf(output->sink, "%s", track);
-}
-
-static void exp_paused(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- int paused = 0;
-
- lookups(ds, DC_PLAYING);
- if(ds->g->playing && ds->g->playing->state == playing_paused)
- paused = 1;
- cgi_output(output, "%s", bool2str(paused));
-}
-
-static void exp_state(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->track)
- cgi_output(output, "%s", playing_states[ds->track->state]);
-}
-
static void exp_files(int attribute((unused)) nargs,
char **args,
cgi_sink *output,
}
}
-static void exp_index(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- cgi_output(output, "%d", ds->index);
-}
-
static void exp_nfiles(int attribute((unused)) nargs,
char attribute((unused)) **args,
cgi_sink *output,
cgi_output(output, "1");
}
+static void exp_image(int attribute((unused)) nargs,
+ char **args,
+ cgi_sink *output,
+ void attribute((unused)) *u) {
+ char *labelname;
+ const char *imagestem;
+
+ byte_xasprintf(&labelname, "images.%s", args[0]);
+ if(cgi_label_exists(labelname))
+ imagestem = cgi_label(labelname);
+ else if(strchr(args[0], '.'))
+ imagestem = args[0];
+ else
+ byte_xasprintf((char **)&imagestem, "%s.png", args[0]);
+ if(cgi_label_exists("url.static"))
+ cgi_output(output, "%s/%s", cgi_label("url.static"), imagestem);
+ else
+ cgi_output(output, "/disorder/%s", imagestem);
+}
+
static const struct cgi_expansion expansions[] = {
{ "#", 0, INT_MAX, EXP_MAGIC, exp_comment },
{ "action", 0, 0, 0, exp_action },
{ "arg", 1, 1, 0, exp_arg },
{ "basename", 0, 1, 0, exp_basename },
{ "choose", 2, 2, EXP_MAGIC, exp_choose },
+ { "define", 3, 3, EXP_MAGIC, exp_define },
{ "dirname", 0, 1, 0, exp_dirname },
{ "enabled", 0, 0, 0, exp_enabled },
{ "eq", 2, 2, 0, exp_eq },
{ "fullname", 0, 0, 0, exp_fullname },
{ "id", 0, 0, 0, exp_id },
{ "if", 2, 3, EXP_MAGIC, exp_if },
+ { "image", 1, 1, 0, exp_image },
{ "include", 1, 1, 0, exp_include },
{ "index", 0, 0, 0, exp_index },
{ "isdirectories", 0, 0, 0, exp_isdirectories },
{ "isrecent", 0, 0, 0, exp_isrecent },
{ "label", 1, 1, 0, exp_label },
{ "length", 0, 0, 0, exp_length },
+ { "movable", 0, 0, 0, exp_movable },
{ "navigate", 2, 2, EXP_MAGIC, exp_navigate },
{ "ne", 2, 2, 0, exp_ne },
{ "new", 1, 1, EXP_MAGIC, exp_new },
{ "recent", 1, 1, EXP_MAGIC, exp_recent },
{ "removable", 0, 0, 0, exp_removable },
{ "resolve", 1, 1, 0, exp_resolve },
+ { "right", 1, 3, EXP_MAGIC, exp_right },
{ "scratchable", 0, 0, 0, exp_scratchable },
{ "search", 2, 3, EXP_MAGIC, exp_search },
{ "server-version", 0, 0, 0, exp_server_version },
{ "transform", 2, 3, 0, exp_transform },
{ "url", 0, 0, 0, exp_url },
{ "urlquote", 1, 1, 0, exp_urlquote },
+ { "user", 0, 0, 0, exp_user },
+ { "userinfo", 1, 1, 0, exp_userinfo },
{ "version", 0, 0, 0, exp_version },
{ "volume", 1, 1, 0, exp_volume },
{ "when", 0, 0, 0, exp_when },
const char *action) {
int n;
+ /* We don't ever want anything to be cached */
+ cgi_header(output->sink, "Cache-Control", "no-cache");
if((n = TABLE_FIND(actions, struct action, name, action)) >= 0)
actions[n].handler(output, ds);
- else {
- cgi_header(output->sink, "Content-Type", "text/html");
- cgi_body(output->sink);
- expand(output, action, ds);
- }
+ else
+ expand_template(ds, output, action);
}
void disorder_cgi(cgi_sink *output, dcgi_state *ds) {
const char *action = cgi_get("action");
- if(!action) action = "playing";
+ if(!action) {
+ /* We allow URLs which are just confirm=... in order to keep confirmation
+ * URLs, which are user-facing, as short as possible. */
+ if(cgi_get("c"))
+ action = "confirm";
+ else
+ action = "playing";
+ }
perform_action(output, ds, action);
}
perform_action(output, ds, "error");
}
+/** @brief Log in as the current user or guest if none */
+void disorder_cgi_login(dcgi_state *ds, cgi_sink *output) {
+ /* Create a new connection */
+ ds->g->client = disorder_new(0);
+ /* Forget everything we knew */
+ ds->g->flags = 0;
+ /* Reconnect */
+ if(disorder_connect_cookie(ds->g->client, login_cookie)) {
+ disorder_cgi_error(output, ds, "connect");
+ exit(0);
+ }
+ /* If there was a cookie but it went bad, we forget it */
+ if(login_cookie && !strcmp(disorder_user(ds->g->client), "guest"))
+ login_cookie = 0;
+}
+
/*
Local Variables:
c-basic-offset:2