2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2006, 2007 Richard Kettlewell
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
26 #include <sys/types.h>
27 #include <sys/socket.h>
44 #include "configuration.h"
56 #include "trackname.h"
59 static void expand(cgi_sink
*output
,
62 static void expandstring(cgi_sink
*output
,
72 static const char *nonce(void) {
73 static unsigned long count
;
76 byte_xasprintf(&s
, "%lx%lx%lx",
77 (unsigned long)time(0),
78 (unsigned long)getpid(),
83 static int compare_entry(const void *a
, const void *b
) {
84 const struct entry
*ea
= a
, *eb
= b
;
86 return compare_tracks(ea
->sort
, eb
->sort
,
87 ea
->display
, eb
->display
,
91 static const char *front_url(void) {
95 /* preserve management interface visibility */
96 if((mgmt
= cgi_get("mgmt")) && !strcmp(mgmt
, "true")) {
97 byte_xasprintf(&url
, "%s?mgmt=true", config
->url
);
103 static void redirect(struct sink
*output
) {
106 cgi_header(output
, "Location",
107 (back
= cgi_get("back")) ? back
: front_url());
111 static void lookups(dcgi_state
*ds
, unsigned want
) {
113 struct queue_entry
*r
, *rnext
;
114 const char *dir
, *re
;
116 if(ds
->g
->client
&& (need
= want
^ (ds
->g
->flags
& want
)) != 0) {
118 disorder_queue(ds
->g
->client
, &ds
->g
->queue
);
119 if(need
& DC_PLAYING
)
120 disorder_playing(ds
->g
->client
, &ds
->g
->playing
);
122 disorder_new_tracks(ds
->g
->client
, &ds
->g
->new, &ds
->g
->nnew
, 0);
123 if(need
& DC_RECENT
) {
124 /* we need to reverse the order of the list */
125 disorder_recent(ds
->g
->client
, &r
);
128 r
->next
= ds
->g
->recent
;
134 disorder_get_volume(ds
->g
->client
,
135 &ds
->g
->volume_left
, &ds
->g
->volume_right
);
136 if(need
& (DC_FILES
|DC_DIRS
)) {
137 if(!(dir
= cgi_get("directory")))
139 re
= cgi_get("regexp");
141 if(disorder_directories(ds
->g
->client
, dir
, re
,
142 &ds
->g
->dirs
, &ds
->g
->ndirs
))
145 if(disorder_files(ds
->g
->client
, dir
, re
,
146 &ds
->g
->files
, &ds
->g
->nfiles
))
149 ds
->g
->flags
|= need
;
153 /* actions ********************************************************************/
155 static void act_disable(cgi_sink
*output
,
158 disorder_disable(ds
->g
->client
);
159 redirect(output
->sink
);
162 static void act_enable(cgi_sink
*output
,
165 disorder_enable(ds
->g
->client
);
166 redirect(output
->sink
);
169 static void act_random_disable(cgi_sink
*output
,
172 disorder_random_disable(ds
->g
->client
);
173 redirect(output
->sink
);
176 static void act_random_enable(cgi_sink
*output
,
179 disorder_random_enable(ds
->g
->client
);
180 redirect(output
->sink
);
183 static void act_remove(cgi_sink
*output
,
187 if(!(id
= cgi_get("id"))) fatal(0, "missing id argument");
189 disorder_remove(ds
->g
->client
, id
);
190 redirect(output
->sink
);
193 static void act_move(cgi_sink
*output
,
195 const char *id
, *delta
;
197 if(!(id
= cgi_get("id"))) fatal(0, "missing id argument");
198 if(!(delta
= cgi_get("delta"))) fatal(0, "missing delta argument");
200 disorder_move(ds
->g
->client
, id
, atoi(delta
));
201 redirect(output
->sink
);
204 static void act_scratch(cgi_sink
*output
,
207 disorder_scratch(ds
->g
->client
, cgi_get("id"));
208 redirect(output
->sink
);
211 static void act_playing(cgi_sink
*output
, dcgi_state
*ds
) {
213 long refresh
= config
->refresh
, length
;
215 int random_enabled
= 0;
218 lookups(ds
, DC_PLAYING
|DC_QUEUE
);
219 cgi_header(output
->sink
, "Content-Type", "text/html");
220 disorder_random_enabled(ds
->g
->client
, &random_enabled
);
221 disorder_enabled(ds
->g
->client
, &enabled
);
223 && ds
->g
->playing
->state
== playing_started
/* i.e. not paused */
224 && !disorder_length(ds
->g
->client
, ds
->g
->playing
->track
, &length
)
226 && ds
->g
->playing
->sofar
>= 0) {
227 /* Try to put the next refresh at the start of the next track. */
229 fin
= now
+ length
- ds
->g
->playing
->sofar
+ config
->gap
;
230 if(now
+ refresh
> fin
)
233 if(ds
->g
->queue
&& ds
->g
->queue
->state
== playing_isscratch
) {
234 /* next track is a scratch, don't leave more than the inter-track gap */
235 if(refresh
> config
->gap
)
236 refresh
= config
->gap
;
238 if(!ds
->g
->playing
&& ((ds
->g
->queue
239 && ds
->g
->queue
->state
!= playing_random
)
240 || random_enabled
) && enabled
) {
241 /* no track playing but playing is enabled and there is something coming
242 * up, must be in a gap */
243 if(refresh
> config
->gap
)
244 refresh
= config
->gap
;
246 byte_snprintf(r
, sizeof r
, "%ld;url=%s", refresh
> 0 ? refresh
: 1,
248 cgi_header(output
->sink
, "Refresh", r
);
249 cgi_body(output
->sink
);
250 expand(output
, "playing", ds
);
253 static void act_play(cgi_sink
*output
,
255 const char *track
, *dir
;
260 if((track
= cgi_get("file"))) {
261 disorder_play(ds
->g
->client
, track
);
262 } else if((dir
= cgi_get("directory"))) {
263 if(disorder_files(ds
->g
->client
, dir
, 0, &tracks
, &ntracks
)) ntracks
= 0;
265 e
= xmalloc(ntracks
* sizeof (struct entry
));
266 for(n
= 0; n
< ntracks
; ++n
) {
267 e
[n
].path
= tracks
[n
];
268 e
[n
].sort
= trackname_transform("track", tracks
[n
], "sort");
269 e
[n
].display
= trackname_transform("track", tracks
[n
], "display");
271 qsort(e
, ntracks
, sizeof (struct entry
), compare_entry
);
272 for(n
= 0; n
< ntracks
; ++n
)
273 disorder_play(ds
->g
->client
, e
[n
].path
);
276 /* XXX error handling */
277 redirect(output
->sink
);
280 static int clamp(int n
, int min
, int max
) {
288 static const char *volume_url(void) {
291 byte_xasprintf(&url
, "%s?action=volume", config
->url
);
295 static void act_volume(cgi_sink
*output
, dcgi_state
*ds
) {
296 const char *l
, *r
, *d
, *back
;
297 int nd
, changed
= 0;;
299 if((d
= cgi_get("delta"))) {
300 lookups(ds
, DC_VOLUME
);
301 nd
= clamp(atoi(d
), -255, 255);
302 disorder_set_volume(ds
->g
->client
,
303 clamp(ds
->g
->volume_left
+ nd
, 0, 255),
304 clamp(ds
->g
->volume_right
+ nd
, 0, 255));
306 } else if((l
= cgi_get("left")) && (r
= cgi_get("right"))) {
307 disorder_set_volume(ds
->g
->client
, atoi(l
), atoi(r
));
311 /* redirect back to ourselves (but without the volume-changing bits in the
313 cgi_header(output
->sink
, "Location",
314 (back
= cgi_get("back")) ? back
: volume_url());
315 cgi_body(output
->sink
);
317 cgi_header(output
->sink
, "Content-Type", "text/html");
318 cgi_body(output
->sink
);
319 expand(output
, "volume", ds
);
323 static void act_prefs_errors(const char *msg
,
324 void attribute((unused
)) *u
) {
325 fatal(0, "error splitting parts list: %s", msg
);
328 static const char *numbered_arg(const char *argname
, int numfile
) {
331 byte_xasprintf(&fullname
, "%d_%s", numfile
, argname
);
332 return cgi_get(fullname
);
335 static void process_prefs(dcgi_state
*ds
, int numfile
) {
336 const char *file
, *name
, *value
, *part
, *parts
, *current
, *context
;
339 if(!(file
= numbered_arg("file", numfile
)))
340 /* The first file doesn't need numbering. */
341 if(numfile
> 0 || !(file
= cgi_get("file")))
343 if((parts
= numbered_arg("parts", numfile
))
344 || (parts
= cgi_get("parts"))) {
345 /* Default context is display. Other contexts not actually tested. */
346 if(!(context
= numbered_arg("context", numfile
))) context
= "display";
347 partslist
= split(parts
, 0, 0, act_prefs_errors
, 0);
348 while((part
= *partslist
++)) {
349 if(!(value
= numbered_arg(part
, numfile
)))
351 /* If it's already right (whether regexps or db) don't change anything,
352 * so we don't fill the database up with rubbish. */
353 if(disorder_part(ds
->g
->client
, (char **)¤t
,
354 file
, context
, part
))
355 fatal(0, "disorder_part() failed");
356 if(!strcmp(current
, value
))
358 byte_xasprintf((char **)&name
, "trackname_%s_%s", context
, part
);
359 disorder_set(ds
->g
->client
, file
, name
, value
);
361 if((value
= numbered_arg("random", numfile
)))
362 disorder_unset(ds
->g
->client
, file
, "pick_at_random");
364 disorder_set(ds
->g
->client
, file
, "pick_at_random", "0");
365 if((value
= numbered_arg("tags", numfile
)))
366 disorder_set(ds
->g
->client
, file
, "tags", value
);
367 } else if((name
= cgi_get("name"))) {
368 /* Raw preferences. Not well supported in the templates at the moment. */
369 value
= cgi_get("value");
371 disorder_set(ds
->g
->client
, file
, name
, value
);
373 disorder_unset(ds
->g
->client
, file
, name
);
377 static void act_prefs(cgi_sink
*output
, dcgi_state
*ds
) {
381 if((files
= cgi_get("files"))) nfiles
= atoi(files
);
383 for(numfile
= 0; numfile
< nfiles
; ++numfile
)
384 process_prefs(ds
, numfile
);
385 cgi_header(output
->sink
, "Content-Type", "text/html");
386 cgi_body(output
->sink
);
387 expand(output
, "prefs", ds
);
390 static void act_pause(cgi_sink
*output
,
393 disorder_pause(ds
->g
->client
);
394 redirect(output
->sink
);
397 static void act_resume(cgi_sink
*output
,
400 disorder_resume(ds
->g
->client
);
401 redirect(output
->sink
);
404 static const struct action
{
406 void (*handler
)(cgi_sink
*output
, dcgi_state
*ds
);
408 { "disable", act_disable
},
409 { "enable", act_enable
},
410 { "move", act_move
},
411 { "pause", act_pause
},
412 { "play", act_play
},
413 { "playing", act_playing
},
414 { "prefs", act_prefs
},
415 { "random-disable", act_random_disable
},
416 { "random-enable", act_random_enable
},
417 { "remove", act_remove
},
418 { "resume", act_resume
},
419 { "scratch", act_scratch
},
420 { "volume", act_volume
},
423 /* expansions *****************************************************************/
425 static void exp_include(int attribute((unused
)) nargs
,
429 expand(output
, args
[0], u
);
432 static void exp_server_version(int attribute((unused
)) nargs
,
433 char attribute((unused
)) **args
,
440 if(disorder_version(ds
->g
->client
, (char **)&v
)) v
= "(cannot get version)";
442 v
= "(server not running)";
443 cgi_output(output
, "%s", v
);
446 static void exp_version(int attribute((unused
)) nargs
,
447 char attribute((unused
)) **args
,
449 void attribute((unused
)) *u
) {
450 cgi_output(output
, "%s", disorder_version_string
);
453 static void exp_nonce(int attribute((unused
)) nargs
,
454 char attribute((unused
)) **args
,
456 void attribute((unused
)) *u
) {
457 cgi_output(output
, "%s", nonce());
460 static void exp_label(int attribute((unused
)) nargs
,
463 void attribute((unused
)) *u
) {
464 cgi_output(output
, "%s", cgi_label(args
[0]));
467 struct trackinfo_state
{
469 const struct queue_entry
*q
;
474 static void exp_who(int attribute((unused
)) nargs
,
475 char attribute((unused
)) **args
,
480 if(ds
->track
&& ds
->track
->submitter
)
481 cgi_output(output
, "%s", ds
->track
->submitter
);
484 static void exp_length(int attribute((unused
)) nargs
,
485 char attribute((unused
)) **args
,
492 && (ds
->track
->state
== playing_started
493 || ds
->track
->state
== playing_paused
)
494 && ds
->track
->sofar
>= 0)
495 cgi_output(output
, "%ld:%02ld/",
496 ds
->track
->sofar
/ 60, ds
->track
->sofar
% 60);
499 disorder_length(ds
->g
->client
, ds
->track
->track
, &length
);
501 disorder_length(ds
->g
->client
, ds
->tracks
[0], &length
);
503 cgi_output(output
, "%ld:%02ld", length
/ 60, length
% 60);
505 sink_printf(output
->sink
, "%s", " ");
508 static void exp_when(int attribute((unused
)) nargs
,
509 char attribute((unused
)) **args
,
513 const struct tm
*w
= 0;
516 switch(ds
->track
->state
) {
517 case playing_isscratch
:
518 case playing_unplayed
:
520 if(ds
->track
->expected
)
521 w
= localtime(&ds
->track
->expected
);
524 case playing_no_player
:
526 case playing_scratched
:
527 case playing_started
:
529 case playing_quitting
:
530 if(ds
->track
->played
)
531 w
= localtime(&ds
->track
->played
);
535 cgi_output(output
, "%d:%02d", w
->tm_hour
, w
->tm_min
);
537 sink_printf(output
->sink
, " ");
540 static void exp_part(int nargs
,
545 const char *s
, *track
, *part
, *context
;
551 track
= ds
->track
->track
;
553 track
= ds
->tracks
[0];
571 if(disorder_part(ds
->g
->client
, (char **)&s
, track
,
572 !strcmp(context
, "short") ?
"display" : context
, part
))
573 fatal(0, "disorder_part() failed");
574 if(!strcmp(context
, "short"))
575 s
= truncate_for_display(s
, config
->short_display
);
576 cgi_output(output
, "%s", s
);
578 sink_printf(output
->sink
, " ");
581 static void exp_playing(int attribute((unused
)) nargs
,
588 lookups(ds
, DC_PLAYING
);
589 memset(&s
, 0, sizeof s
);
592 s
.track
= ds
->g
->playing
;
593 expandstring(output
, args
[0], &s
);
597 static void exp_queue(int attribute((unused
)) nargs
,
603 struct queue_entry
*q
;
605 lookups(ds
, DC_QUEUE
);
606 memset(&s
, 0, sizeof s
);
609 for(q
= ds
->g
->queue
; q
; q
= q
->next
) {
612 expandstring(output
, args
[0], &s
);
618 static void exp_recent(int attribute((unused
)) nargs
,
624 struct queue_entry
*q
;
626 lookups(ds
, DC_RECENT
);
627 memset(&s
, 0, sizeof s
);
630 for(q
= ds
->g
->recent
; q
; q
= q
->next
) {
633 expandstring(output
, args
[0], &s
);
639 static void exp_new(int attribute((unused
)) nargs
,
647 memset(&s
, 0, sizeof s
);
650 for(s
.index
= 0; s
.index
< ds
->g
->nnew
; ++s
.index
) {
651 s
.last
= s
.index
+ 1 < ds
->g
->nnew
;
652 s
.tracks
= &ds
->g
->new[s
.index
];
653 expandstring(output
, args
[0], &s
);
658 static void exp_url(int attribute((unused
)) nargs
,
659 char attribute((unused
)) **args
,
661 void attribute((unused
)) *u
) {
662 cgi_output(output
, "%s", config
->url
);
670 static int compare_result(const void *a
, const void *b
) {
671 const struct result
*ra
= a
, *rb
= b
;
674 if(!(c
= strcmp(ra
->sort
, rb
->sort
)))
675 c
= strcmp(ra
->track
, rb
->track
);
679 static void exp_search(int nargs
,
683 dcgi_state
*ds
= u
, substate
;
685 const char *q
, *context
, *part
, *template;
701 assert(!"should never happen");
702 part
= context
= template = 0; /* quieten compiler */
704 if(ds
->tracks
== 0) {
705 /* we are the top level, let's get some search results */
706 if(!(q
= cgi_get("query"))) return; /* no results yet */
707 if(disorder_search(ds
->g
->client
, q
, &tracks
, &ntracks
)) return;
711 ntracks
= ds
->ntracks
;
713 assert(ntracks
!= 0);
714 /* sort tracks by the appropriate part */
715 r
= xmalloc(ntracks
* sizeof *r
);
716 for(n
= 0; n
< ntracks
; ++n
) {
717 r
[n
].track
= tracks
[n
];
718 if(disorder_part(ds
->g
->client
, (char **)&r
[n
].sort
,
719 tracks
[n
], context
, part
))
720 fatal(0, "disorder_part() failed");
722 qsort(r
, ntracks
, sizeof (struct result
), compare_result
);
723 /* expand the 2nd arg once for each group. We re-use the passed-in tracks
724 * array as we know it's guaranteed to be big enough and isn't going to be
725 * used for anything else any more. */
726 memset(&substate
, 0, sizeof substate
);
731 substate
.tracks
= tracks
;
732 substate
.ntracks
= 0;
735 && !strcmp(r
[m
].sort
, r
[n
].sort
))
736 tracks
[substate
.ntracks
++] = r
[m
++].track
;
737 substate
.last
= (m
== ntracks
);
738 expandstring(output
, template, &substate
);
743 assert(substate
.last
!= 0);
746 static void exp_arg(int attribute((unused
)) nargs
,
749 void attribute((unused
)) *u
) {
752 if((v
= cgi_get(args
[0])))
753 cgi_output(output
, "%s", v
);
756 static void exp_stats(int attribute((unused
)) nargs
,
757 char attribute((unused
)) **args
,
763 cgi_opentag(output
->sink
, "pre", "class", "stats", (char *)0);
764 if(!disorder_stats(ds
->g
->client
, &v
, 0)) {
766 cgi_output(output
, "%s\n", *v
++);
768 cgi_closetag(output
->sink
, "pre");
771 static void exp_volume(int attribute((unused
)) nargs
,
777 lookups(ds
, DC_VOLUME
);
778 if(!strcmp(args
[0], "left"))
779 cgi_output(output
, "%d", ds
->g
->volume_left
);
781 cgi_output(output
, "%d", ds
->g
->volume_right
);
784 static void exp_shell(int attribute((unused
)) nargs
,
787 void attribute((unused
)) *u
) {
793 if(!(pid
= xfork())) {
798 execlp("sh", "sh", "-c", args
[0], (char *)0);
799 fatal(errno
, "error executing sh");
802 while((n
= read(p
[0], buffer
, sizeof buffer
))) {
804 if(errno
== EINTR
) continue;
805 else fatal(errno
, "error reading from pipe");
807 output
->sink
->write(output
->sink
, buffer
, n
);
810 while((n
= waitpid(pid
, &w
, 0)) < 0 && errno
== EINTR
)
812 if(n
< 0) fatal(errno
, "error calling waitpid");
814 error(0, "shell command '%s' %s", args
[0], wstat(w
));
817 static inline int str2bool(const char *s
) {
818 return !strcmp(s
, "true");
821 static inline const char *bool2str(int n
) {
822 return n ?
"true" : "false";
825 static char *expandarg(const char *arg
, dcgi_state
*ds
) {
831 output
.sink
= sink_dynstr(&d
);
832 expandstring(&output
, arg
, ds
);
833 dynstr_terminate(&d
);
837 static void exp_prefs(int attribute((unused
)) nargs
,
844 const char *file
= expandarg(args
[0], ds
);
846 memset(&substate
, 0, sizeof substate
);
849 if(disorder_prefs(ds
->g
->client
, file
, &k
)) return;
851 substate
.last
= !k
->next
;
853 expandstring(output
, args
[1], &substate
);
860 static void exp_pref(int attribute((unused
)) nargs
,
867 if(!disorder_get(ds
->g
->client
, args
[0], args
[1], &value
))
868 cgi_output(output
, "%s", value
);
871 static void exp_if(int nargs
,
876 int n
= str2bool(expandarg(args
[0], ds
)) ?
1 : 2;
879 expandstring(output
, args
[n
], ds
);
882 static void exp_and(int nargs
,
889 for(n
= 0; n
< nargs
; ++n
)
890 if(!str2bool(expandarg(args
[n
], ds
))) {
894 sink_printf(output
->sink
, "%s", bool2str(result
));
897 static void exp_or(int nargs
,
904 for(n
= 0; n
< nargs
; ++n
)
905 if(str2bool(expandarg(args
[n
], ds
))) {
909 sink_printf(output
->sink
, "%s", bool2str(result
));
912 static void exp_not(int attribute((unused
)) nargs
,
915 void attribute((unused
)) *u
) {
916 sink_printf(output
->sink
, "%s", bool2str(!str2bool(args
[0])));
919 static void exp_isplaying(int attribute((unused
)) nargs
,
920 char attribute((unused
)) **args
,
925 lookups(ds
, DC_PLAYING
);
926 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->playing
));
929 static void exp_isqueue(int attribute((unused
)) nargs
,
930 char attribute((unused
)) **args
,
935 lookups(ds
, DC_QUEUE
);
936 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->queue
));
939 static void exp_isrecent(int attribute((unused
)) nargs
,
940 char attribute((unused
)) **args
,
945 lookups(ds
, DC_RECENT
);
946 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->recent
));
949 static void exp_isnew(int attribute((unused
)) nargs
,
950 char attribute((unused
)) **args
,
956 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->nnew
));
959 static void exp_id(int attribute((unused
)) nargs
,
960 char attribute((unused
)) **args
,
966 cgi_output(output
, "%s", ds
->track
->id
);
969 static void exp_track(int attribute((unused
)) nargs
,
970 char attribute((unused
)) **args
,
976 cgi_output(output
, "%s", ds
->track
->track
);
979 static void exp_parity(int attribute((unused
)) nargs
,
980 char attribute((unused
)) **args
,
985 cgi_output(output
, "%s", ds
->index
% 2 ?
"odd" : "even");
988 static void exp_comment(int attribute((unused
)) nargs
,
989 char attribute((unused
)) **args
,
990 cgi_sink
attribute((unused
)) *output
,
991 void attribute((unused
)) *u
) {
995 static void exp_prefname(int attribute((unused
)) nargs
,
996 char attribute((unused
)) **args
,
1001 if(ds
->pref
&& ds
->pref
->name
)
1002 cgi_output(output
, "%s", ds
->pref
->name
);
1005 static void exp_prefvalue(int attribute((unused
)) nargs
,
1006 char attribute((unused
)) **args
,
1011 if(ds
->pref
&& ds
->pref
->value
)
1012 cgi_output(output
, "%s", ds
->pref
->value
);
1015 static void exp_isfiles(int attribute((unused
)) nargs
,
1016 char attribute((unused
)) **args
,
1021 lookups(ds
, DC_FILES
);
1022 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->nfiles
));
1025 static void exp_isdirectories(int attribute((unused
)) nargs
,
1026 char attribute((unused
)) **args
,
1031 lookups(ds
, DC_DIRS
);
1032 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->ndirs
));
1035 static void exp_choose(int attribute((unused
)) nargs
,
1040 dcgi_state substate
;
1044 const char *type
, *what
= expandarg(args
[0], ds
);
1046 if(!strcmp(what
, "files")) {
1047 lookups(ds
, DC_FILES
);
1048 files
= ds
->g
->files
;
1049 nfiles
= ds
->g
->nfiles
;
1051 } else if(!strcmp(what
, "directories")) {
1052 lookups(ds
, DC_DIRS
);
1053 files
= ds
->g
->dirs
;
1054 nfiles
= ds
->g
->ndirs
;
1057 error(0, "unknown @choose@ argument '%s'", what
);
1060 e
= xmalloc(nfiles
* sizeof (struct entry
));
1061 for(n
= 0; n
< nfiles
; ++n
) {
1062 e
[n
].path
= files
[n
];
1063 e
[n
].sort
= trackname_transform(type
, files
[n
], "sort");
1064 e
[n
].display
= trackname_transform(type
, files
[n
], "display");
1066 qsort(e
, nfiles
, sizeof (struct entry
), compare_entry
);
1067 memset(&substate
, 0, sizeof substate
);
1070 for(n
= 0; n
< nfiles
; ++n
) {
1071 substate
.last
= (n
== nfiles
- 1);
1073 substate
.entry
= &e
[n
];
1074 expandstring(output
, args
[1], &substate
);
1079 static void exp_file(int attribute((unused
)) nargs
,
1080 char attribute((unused
)) **args
,
1086 cgi_output(output
, "%s", ds
->entry
->path
);
1088 cgi_output(output
, "%s", ds
->track
->track
);
1090 cgi_output(output
, "%s", ds
->tracks
[0]);
1093 static void exp_transform(int nargs
,
1096 void attribute((unused
)) *u
) {
1097 const char *context
= nargs
> 2 ? args
[2] : "display";
1099 cgi_output(output
, "%s", trackname_transform(args
[1], args
[0], context
));
1102 static void exp_urlquote(int attribute((unused
)) nargs
,
1105 void attribute((unused
)) *u
) {
1106 cgi_output(output
, "%s", urlencodestring(args
[0]));
1109 static void exp_scratchable(int attribute((unused
)) nargs
,
1110 char attribute((unused
)) **args
,
1112 void attribute((unused
)) *u
) {
1116 if(config
->restrictions
& RESTRICT_SCRATCH
) {
1117 lookups(ds
, DC_PLAYING
);
1118 result
= (ds
->g
->playing
1119 && (!ds
->g
->playing
->submitter
1120 || !strcmp(ds
->g
->playing
->submitter
,
1121 disorder_user(ds
->g
->client
))));
1124 sink_printf(output
->sink
, "%s", bool2str(result
));
1127 static void exp_removable(int attribute((unused
)) nargs
,
1128 char attribute((unused
)) **args
,
1130 void attribute((unused
)) *u
) {
1134 if(config
->restrictions
& RESTRICT_REMOVE
)
1136 && ds
->track
->submitter
1137 && !strcmp(ds
->track
->submitter
,
1138 disorder_user(ds
->g
->client
)));
1141 sink_printf(output
->sink
, "%s", bool2str(result
));
1144 static void exp_navigate(int attribute((unused
)) nargs
,
1149 dcgi_state substate
;
1150 const char *path
= expandarg(args
[0], ds
);
1155 memset(&substate
, 0, sizeof substate
);
1157 ptr
= path
+ 1; /* skip root */
1159 substate
.nav_path
= path
;
1162 while(*ptr
&& *ptr
!= '/')
1164 substate
.last
= !*ptr
;
1165 substate
.nav_len
= ptr
- path
;
1166 substate
.nav_dirlen
= dirlen
;
1167 expandstring(output
, args
[1], &substate
);
1168 dirlen
= substate
.nav_len
;
1175 static void exp_fullname(int attribute((unused
)) nargs
,
1176 char attribute((unused
)) **args
,
1180 cgi_output(output
, "%.*s", ds
->nav_len
, ds
->nav_path
);
1183 static void exp_basename(int nargs
,
1191 if((s
= strrchr(args
[0], '/'))) ++s
;
1193 cgi_output(output
, "%s", s
);
1195 cgi_output(output
, "%.*s", ds
->nav_len
- ds
->nav_dirlen
- 1,
1196 ds
->nav_path
+ ds
->nav_dirlen
+ 1);
1199 static void exp_dirname(int nargs
,
1207 if((s
= strrchr(args
[0], '/')))
1208 cgi_output(output
, "%.*s", (int)(s
- args
[0]), args
[0]);
1210 cgi_output(output
, "%.*s", ds
->nav_dirlen
, ds
->nav_path
);
1213 static void exp_eq(int attribute((unused
)) nargs
,
1216 void attribute((unused
)) *u
) {
1217 cgi_output(output
, "%s", bool2str(!strcmp(args
[0], args
[1])));
1220 static void exp_ne(int attribute((unused
)) nargs
,
1223 void attribute((unused
)) *u
) {
1224 cgi_output(output
, "%s", bool2str(strcmp(args
[0], args
[1])));
1227 static void exp_enabled(int attribute((unused
)) nargs
,
1228 char attribute((unused
)) **args
,
1235 disorder_enabled(ds
->g
->client
, &enabled
);
1236 cgi_output(output
, "%s", bool2str(enabled
));
1239 static void exp_random_enabled(int attribute((unused
)) nargs
,
1240 char attribute((unused
)) **args
,
1247 disorder_random_enabled(ds
->g
->client
, &enabled
);
1248 cgi_output(output
, "%s", bool2str(enabled
));
1251 static void exp_trackstate(int attribute((unused
)) nargs
,
1256 struct queue_entry
*q
;
1259 if(disorder_resolve(ds
->g
->client
, &track
, args
[0])) return;
1260 lookups(ds
, DC_QUEUE
|DC_PLAYING
);
1261 if(ds
->g
->playing
&& !strcmp(ds
->g
->playing
->track
, track
))
1262 cgi_output(output
, "playing");
1264 for(q
= ds
->g
->queue
; q
&& strcmp(q
->track
, track
); q
= q
->next
)
1267 cgi_output(output
, "queued");
1271 static void exp_thisurl(int attribute((unused
)) nargs
,
1272 char attribute((unused
)) **args
,
1274 void attribute((unused
)) *u
) {
1275 kvp_set(&cgi_args
, "nonce", nonce()); /* nonces had better differ! */
1276 cgi_output(output
, "%s?%s", config
->url
, kvp_urlencode(cgi_args
, 0));
1279 static void exp_isfirst(int attribute((unused
)) nargs
,
1280 char attribute((unused
)) **args
,
1285 sink_printf(output
->sink
, "%s", bool2str(!!ds
->first
));
1288 static void exp_islast(int attribute((unused
)) nargs
,
1289 char attribute((unused
)) **args
,
1294 sink_printf(output
->sink
, "%s", bool2str(!!ds
->last
));
1297 static void exp_action(int attribute((unused
)) nargs
,
1298 char attribute((unused
)) **args
,
1300 void attribute((unused
)) *u
) {
1301 const char *action
= cgi_get("action"), *mgmt
;
1303 if(!action
) action
= "playing";
1304 if(!strcmp(action
, "playing")
1305 && (mgmt
= cgi_get("mgmt"))
1306 && !strcmp(mgmt
, "true"))
1308 sink_printf(output
->sink
, "%s", action
);
1311 static void exp_resolve(int attribute((unused
)) nargs
,
1314 void attribute((unused
)) *u
) {
1318 if(!disorder_resolve(ds
->g
->client
, &track
, args
[0]))
1319 sink_printf(output
->sink
, "%s", track
);
1322 static void exp_paused(int attribute((unused
)) nargs
,
1323 char attribute((unused
)) **args
,
1329 lookups(ds
, DC_PLAYING
);
1330 if(ds
->g
->playing
&& ds
->g
->playing
->state
== playing_paused
)
1332 cgi_output(output
, "%s", bool2str(paused
));
1335 static void exp_state(int attribute((unused
)) nargs
,
1336 char attribute((unused
)) **args
,
1342 cgi_output(output
, "%s", playing_states
[ds
->track
->state
]);
1345 static void exp_files(int attribute((unused
)) nargs
,
1350 dcgi_state substate
;
1351 const char *nfiles_arg
, *directory
;
1352 int nfiles
, numfile
;
1355 memset(&substate
, 0, sizeof substate
);
1357 if((directory
= cgi_get("directory"))) {
1358 /* Prefs for whole directory. */
1359 lookups(ds
, DC_FILES
);
1360 /* Synthesize args for the file list. */
1361 nfiles
= ds
->g
->nfiles
;
1362 for(numfile
= 0; numfile
< nfiles
; ++numfile
) {
1363 k
= xmalloc(sizeof *k
);
1364 byte_xasprintf((char **)&k
->name
, "%d_file", numfile
);
1365 k
->value
= ds
->g
->files
[numfile
];
1370 /* Args already present. */
1371 if((nfiles_arg
= cgi_get("files"))) nfiles
= atoi(nfiles_arg
);
1374 for(numfile
= 0; numfile
< nfiles
; ++numfile
) {
1375 substate
.index
= numfile
;
1376 expandstring(output
, args
[0], &substate
);
1380 static void exp_index(int attribute((unused
)) nargs
,
1381 char attribute((unused
)) **args
,
1386 cgi_output(output
, "%d", ds
->index
);
1389 static void exp_nfiles(int attribute((unused
)) nargs
,
1390 char attribute((unused
)) **args
,
1394 const char *files_arg
;
1396 if(cgi_get("directory")) {
1397 lookups(ds
, DC_FILES
);
1398 cgi_output(output
, "%d", ds
->g
->nfiles
);
1399 } else if((files_arg
= cgi_get("files")))
1400 cgi_output(output
, "%s", files_arg
);
1402 cgi_output(output
, "1");
1405 static const struct cgi_expansion expansions
[] = {
1406 { "#", 0, INT_MAX
, EXP_MAGIC
, exp_comment
},
1407 { "action", 0, 0, 0, exp_action
},
1408 { "and", 0, INT_MAX
, EXP_MAGIC
, exp_and
},
1409 { "arg", 1, 1, 0, exp_arg
},
1410 { "basename", 0, 1, 0, exp_basename
},
1411 { "choose", 2, 2, EXP_MAGIC
, exp_choose
},
1412 { "dirname", 0, 1, 0, exp_dirname
},
1413 { "enabled", 0, 0, 0, exp_enabled
},
1414 { "eq", 2, 2, 0, exp_eq
},
1415 { "file", 0, 0, 0, exp_file
},
1416 { "files", 1, 1, EXP_MAGIC
, exp_files
},
1417 { "fullname", 0, 0, 0, exp_fullname
},
1418 { "id", 0, 0, 0, exp_id
},
1419 { "if", 2, 3, EXP_MAGIC
, exp_if
},
1420 { "include", 1, 1, 0, exp_include
},
1421 { "index", 0, 0, 0, exp_index
},
1422 { "isdirectories", 0, 0, 0, exp_isdirectories
},
1423 { "isfiles", 0, 0, 0, exp_isfiles
},
1424 { "isfirst", 0, 0, 0, exp_isfirst
},
1425 { "islast", 0, 0, 0, exp_islast
},
1426 { "isnew", 0, 0, 0, exp_isnew
},
1427 { "isplaying", 0, 0, 0, exp_isplaying
},
1428 { "isqueue", 0, 0, 0, exp_isqueue
},
1429 { "isrecent", 0, 0, 0, exp_isrecent
},
1430 { "label", 1, 1, 0, exp_label
},
1431 { "length", 0, 0, 0, exp_length
},
1432 { "navigate", 2, 2, EXP_MAGIC
, exp_navigate
},
1433 { "ne", 2, 2, 0, exp_ne
},
1434 { "new", 1, 1, EXP_MAGIC
, exp_new
},
1435 { "nfiles", 0, 0, 0, exp_nfiles
},
1436 { "nonce", 0, 0, 0, exp_nonce
},
1437 { "not", 1, 1, 0, exp_not
},
1438 { "or", 0, INT_MAX
, EXP_MAGIC
, exp_or
},
1439 { "parity", 0, 0, 0, exp_parity
},
1440 { "part", 1, 3, 0, exp_part
},
1441 { "paused", 0, 0, 0, exp_paused
},
1442 { "playing", 1, 1, EXP_MAGIC
, exp_playing
},
1443 { "pref", 2, 2, 0, exp_pref
},
1444 { "prefname", 0, 0, 0, exp_prefname
},
1445 { "prefs", 2, 2, EXP_MAGIC
, exp_prefs
},
1446 { "prefvalue", 0, 0, 0, exp_prefvalue
},
1447 { "queue", 1, 1, EXP_MAGIC
, exp_queue
},
1448 { "random-enabled", 0, 0, 0, exp_random_enabled
},
1449 { "recent", 1, 1, EXP_MAGIC
, exp_recent
},
1450 { "removable", 0, 0, 0, exp_removable
},
1451 { "resolve", 1, 1, 0, exp_resolve
},
1452 { "scratchable", 0, 0, 0, exp_scratchable
},
1453 { "search", 2, 3, EXP_MAGIC
, exp_search
},
1454 { "server-version", 0, 0, 0, exp_server_version
},
1455 { "shell", 1, 1, 0, exp_shell
},
1456 { "state", 0, 0, 0, exp_state
},
1457 { "stats", 0, 0, 0, exp_stats
},
1458 { "thisurl", 0, 0, 0, exp_thisurl
},
1459 { "track", 0, 0, 0, exp_track
},
1460 { "trackstate", 1, 1, 0, exp_trackstate
},
1461 { "transform", 2, 3, 0, exp_transform
},
1462 { "url", 0, 0, 0, exp_url
},
1463 { "urlquote", 1, 1, 0, exp_urlquote
},
1464 { "version", 0, 0, 0, exp_version
},
1465 { "volume", 1, 1, 0, exp_volume
},
1466 { "when", 0, 0, 0, exp_when
},
1467 { "who", 0, 0, 0, exp_who
}
1470 static void expand(cgi_sink
*output
,
1471 const char *template,
1473 cgi_expand(template,
1474 expansions
, sizeof expansions
/ sizeof *expansions
,
1479 static void expandstring(cgi_sink
*output
,
1482 cgi_expand_string("",
1484 expansions
, sizeof expansions
/ sizeof *expansions
,
1489 static void perform_action(cgi_sink
*output
, dcgi_state
*ds
,
1490 const char *action
) {
1493 if((n
= TABLE_FIND(actions
, struct action
, name
, action
)) >= 0)
1494 actions
[n
].handler(output
, ds
);
1496 cgi_header(output
->sink
, "Content-Type", "text/html");
1497 cgi_body(output
->sink
);
1498 expand(output
, action
, ds
);
1502 void disorder_cgi(cgi_sink
*output
, dcgi_state
*ds
) {
1503 const char *action
= cgi_get("action");
1505 if(!action
) action
= "playing";
1506 perform_action(output
, ds
, action
);
1509 void disorder_cgi_error(cgi_sink
*output
, dcgi_state
*ds
,
1511 cgi_set_option("error", msg
);
1512 perform_action(output
, ds
, "error");