2 * This file is part of DisOrder.
3 * Copyright (C) 2004-2008 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>
43 #include "configuration.h"
54 #include "trackname.h"
64 static void expand(cgi_sink
*output
,
67 static void expandstring(cgi_sink
*output
,
77 static const char nonce_base64_table
[] =
78 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-/*";
80 static const char *nonce(void) {
81 static uint32_t count
;
90 nd
.pid
= (uint32_t)getpid();
91 nd
.when
= (uint32_t)time(0);
92 return generic_to_base64((void *)&nd
, sizeof nd
,
96 static int compare_entry(const void *a
, const void *b
) {
97 const struct entry
*ea
= a
, *eb
= b
;
99 return compare_tracks(ea
->sort
, eb
->sort
,
100 ea
->display
, eb
->display
,
104 static const char *front_url(void) {
108 /* preserve management interface visibility */
109 if((mgmt
= cgi_get("mgmt")) && !strcmp(mgmt
, "true")) {
110 byte_xasprintf(&url
, "%s?mgmt=true", config
->url
);
116 static void header_cookie(struct sink
*output
) {
120 memset(&u
, 0, sizeof u
);
122 parse_url(config
->url
, &u
);
124 dynstr_append_string(d
, "disorder=");
125 dynstr_append_string(d
, login_cookie
);
127 /* Force browser to discard cookie */
128 dynstr_append_string(d
, "disorder=none;Max-Age=0");
131 /* The default domain matches the request host, so we need not override
132 * that. But the default path only goes up to the rightmost /, which would
133 * cause the browser to expose the cookie to other CGI programs on the same
135 dynstr_append_string(d
, ";Version=1;Path=");
136 dynstr_append_string(d
, u
.path
);
139 cgi_header(output
, "Set-Cookie", d
->vec
);
142 static void redirect(struct sink
*output
) {
145 back
= cgi_get("back");
146 cgi_header(output
, "Location", back
&& *back ? back
: front_url());
147 header_cookie(output
);
151 static void expand_template(dcgi_state
*ds
, cgi_sink
*output
,
152 const char *action
) {
153 cgi_header(output
->sink
, "Content-Type", "text/html");
154 header_cookie(output
->sink
);
155 cgi_body(output
->sink
);
156 expand(output
, action
, ds
);
159 static void lookups(dcgi_state
*ds
, unsigned want
) {
161 struct queue_entry
*r
, *rnext
;
162 const char *dir
, *re
;
165 if(ds
->g
->client
&& (need
= want
^ (ds
->g
->flags
& want
)) != 0) {
167 disorder_queue(ds
->g
->client
, &ds
->g
->queue
);
168 if(need
& DC_PLAYING
)
169 disorder_playing(ds
->g
->client
, &ds
->g
->playing
);
171 disorder_new_tracks(ds
->g
->client
, &ds
->g
->new, &ds
->g
->nnew
, 0);
172 if(need
& DC_RECENT
) {
173 /* we need to reverse the order of the list */
174 disorder_recent(ds
->g
->client
, &r
);
177 r
->next
= ds
->g
->recent
;
183 disorder_get_volume(ds
->g
->client
,
184 &ds
->g
->volume_left
, &ds
->g
->volume_right
);
185 if(need
& (DC_FILES
|DC_DIRS
)) {
186 if(!(dir
= cgi_get("directory")))
188 re
= cgi_get("regexp");
190 if(disorder_directories(ds
->g
->client
, dir
, re
,
191 &ds
->g
->dirs
, &ds
->g
->ndirs
))
194 if(disorder_files(ds
->g
->client
, dir
, re
,
195 &ds
->g
->files
, &ds
->g
->nfiles
))
198 if(need
& DC_RIGHTS
) {
199 ds
->g
->rights
= RIGHT_READ
; /* fail-safe */
200 if(!disorder_userinfo(ds
->g
->client
, disorder_user(ds
->g
->client
),
202 parse_rights(rights
, &ds
->g
->rights
, 1);
204 ds
->g
->flags
|= need
;
208 /* actions ********************************************************************/
210 static void act_disable(cgi_sink
*output
,
213 disorder_disable(ds
->g
->client
);
214 redirect(output
->sink
);
217 static void act_enable(cgi_sink
*output
,
220 disorder_enable(ds
->g
->client
);
221 redirect(output
->sink
);
224 static void act_random_disable(cgi_sink
*output
,
227 disorder_random_disable(ds
->g
->client
);
228 redirect(output
->sink
);
231 static void act_random_enable(cgi_sink
*output
,
234 disorder_random_enable(ds
->g
->client
);
235 redirect(output
->sink
);
238 static void act_remove(cgi_sink
*output
,
242 if(!(id
= cgi_get("id"))) fatal(0, "missing id argument");
244 disorder_remove(ds
->g
->client
, id
);
245 redirect(output
->sink
);
248 static void act_move(cgi_sink
*output
,
250 const char *id
, *delta
;
252 if(!(id
= cgi_get("id"))) fatal(0, "missing id argument");
253 if(!(delta
= cgi_get("delta"))) fatal(0, "missing delta argument");
255 disorder_move(ds
->g
->client
, id
, atoi(delta
));
256 redirect(output
->sink
);
259 static void act_scratch(cgi_sink
*output
,
262 disorder_scratch(ds
->g
->client
, cgi_get("id"));
263 redirect(output
->sink
);
266 static void act_playing(cgi_sink
*output
, dcgi_state
*ds
) {
268 long refresh
= config
->refresh
, length
;
270 int random_enabled
= 0;
273 lookups(ds
, DC_PLAYING
|DC_QUEUE
);
274 cgi_header(output
->sink
, "Content-Type", "text/html");
275 disorder_random_enabled(ds
->g
->client
, &random_enabled
);
276 disorder_enabled(ds
->g
->client
, &enabled
);
278 && ds
->g
->playing
->state
== playing_started
/* i.e. not paused */
279 && !disorder_length(ds
->g
->client
, ds
->g
->playing
->track
, &length
)
281 && ds
->g
->playing
->sofar
>= 0) {
282 /* Try to put the next refresh at the start of the next track. */
284 fin
= now
+ length
- ds
->g
->playing
->sofar
+ config
->gap
;
285 if(now
+ refresh
> fin
)
288 if(ds
->g
->queue
&& ds
->g
->queue
->state
== playing_isscratch
) {
289 /* next track is a scratch, don't leave more than the inter-track gap */
290 if(refresh
> config
->gap
)
291 refresh
= config
->gap
;
293 if(!ds
->g
->playing
&& ((ds
->g
->queue
294 && ds
->g
->queue
->state
!= playing_random
)
295 || random_enabled
) && enabled
) {
296 /* no track playing but playing is enabled and there is something coming
297 * up, must be in a gap */
298 if(refresh
> config
->gap
)
299 refresh
= config
->gap
;
301 byte_snprintf(r
, sizeof r
, "%ld;url=%s", refresh
> 0 ? refresh
: 1,
303 cgi_header(output
->sink
, "Refresh", r
);
304 header_cookie(output
->sink
);
305 cgi_body(output
->sink
);
306 expand(output
, "playing", ds
);
309 static void act_play(cgi_sink
*output
,
311 const char *track
, *dir
;
316 if((track
= cgi_get("file"))) {
317 disorder_play(ds
->g
->client
, track
);
318 } else if((dir
= cgi_get("directory"))) {
319 if(disorder_files(ds
->g
->client
, dir
, 0, &tracks
, &ntracks
)) ntracks
= 0;
321 e
= xmalloc(ntracks
* sizeof (struct entry
));
322 for(n
= 0; n
< ntracks
; ++n
) {
323 e
[n
].path
= tracks
[n
];
324 e
[n
].sort
= trackname_transform("track", tracks
[n
], "sort");
325 e
[n
].display
= trackname_transform("track", tracks
[n
], "display");
327 qsort(e
, ntracks
, sizeof (struct entry
), compare_entry
);
328 for(n
= 0; n
< ntracks
; ++n
)
329 disorder_play(ds
->g
->client
, e
[n
].path
);
332 /* XXX error handling */
333 redirect(output
->sink
);
336 static int clamp(int n
, int min
, int max
) {
344 static const char *volume_url(void) {
347 byte_xasprintf(&url
, "%s?action=volume", config
->url
);
351 static void act_volume(cgi_sink
*output
, dcgi_state
*ds
) {
352 const char *l
, *r
, *d
, *back
;
353 int nd
, changed
= 0;;
355 if((d
= cgi_get("delta"))) {
356 lookups(ds
, DC_VOLUME
);
357 nd
= clamp(atoi(d
), -255, 255);
358 disorder_set_volume(ds
->g
->client
,
359 clamp(ds
->g
->volume_left
+ nd
, 0, 255),
360 clamp(ds
->g
->volume_right
+ nd
, 0, 255));
362 } else if((l
= cgi_get("left")) && (r
= cgi_get("right"))) {
363 disorder_set_volume(ds
->g
->client
, atoi(l
), atoi(r
));
367 /* redirect back to ourselves (but without the volume-changing bits in the
369 cgi_header(output
->sink
, "Location",
370 (back
= cgi_get("back")) ? back
: volume_url());
371 header_cookie(output
->sink
);
372 cgi_body(output
->sink
);
374 cgi_header(output
->sink
, "Content-Type", "text/html");
375 header_cookie(output
->sink
);
376 cgi_body(output
->sink
);
377 expand(output
, "volume", ds
);
381 static void act_prefs_errors(const char *msg
,
382 void attribute((unused
)) *u
) {
383 fatal(0, "error splitting parts list: %s", msg
);
386 static const char *numbered_arg(const char *argname
, int numfile
) {
389 byte_xasprintf(&fullname
, "%d_%s", numfile
, argname
);
390 return cgi_get(fullname
);
393 static void process_prefs(dcgi_state
*ds
, int numfile
) {
394 const char *file
, *name
, *value
, *part
, *parts
, *current
, *context
;
397 if(!(file
= numbered_arg("file", numfile
)))
398 /* The first file doesn't need numbering. */
399 if(numfile
> 0 || !(file
= cgi_get("file")))
401 if((parts
= numbered_arg("parts", numfile
))
402 || (parts
= cgi_get("parts"))) {
403 /* Default context is display. Other contexts not actually tested. */
404 if(!(context
= numbered_arg("context", numfile
))) context
= "display";
405 partslist
= split(parts
, 0, 0, act_prefs_errors
, 0);
406 while((part
= *partslist
++)) {
407 if(!(value
= numbered_arg(part
, numfile
)))
409 /* If it's already right (whether regexps or db) don't change anything,
410 * so we don't fill the database up with rubbish. */
411 if(disorder_part(ds
->g
->client
, (char **)¤t
,
412 file
, context
, part
))
413 fatal(0, "disorder_part() failed");
414 if(!strcmp(current
, value
))
416 byte_xasprintf((char **)&name
, "trackname_%s_%s", context
, part
);
417 disorder_set(ds
->g
->client
, file
, name
, value
);
419 if((value
= numbered_arg("random", numfile
)))
420 disorder_unset(ds
->g
->client
, file
, "pick_at_random");
422 disorder_set(ds
->g
->client
, file
, "pick_at_random", "0");
423 if((value
= numbered_arg("tags", numfile
)))
424 disorder_set(ds
->g
->client
, file
, "tags", value
);
425 } else if((name
= cgi_get("name"))) {
426 /* Raw preferences. Not well supported in the templates at the moment. */
427 value
= cgi_get("value");
429 disorder_set(ds
->g
->client
, file
, name
, value
);
431 disorder_unset(ds
->g
->client
, file
, name
);
435 static void act_prefs(cgi_sink
*output
, dcgi_state
*ds
) {
439 if((files
= cgi_get("files"))) nfiles
= atoi(files
);
441 for(numfile
= 0; numfile
< nfiles
; ++numfile
)
442 process_prefs(ds
, numfile
);
443 cgi_header(output
->sink
, "Content-Type", "text/html");
444 header_cookie(output
->sink
);
445 cgi_body(output
->sink
);
446 expand(output
, "prefs", ds
);
449 static void act_pause(cgi_sink
*output
,
452 disorder_pause(ds
->g
->client
);
453 redirect(output
->sink
);
456 static void act_resume(cgi_sink
*output
,
459 disorder_resume(ds
->g
->client
);
460 redirect(output
->sink
);
463 static void act_login(cgi_sink
*output
,
465 const char *username
, *password
, *back
;
468 username
= cgi_get("username");
469 password
= cgi_get("password");
470 if(!username
|| !password
471 || !strcmp(username
, "guest")/*bodge to avoid guest cookies*/) {
472 /* We're just visiting the login page */
473 expand_template(ds
, output
, "login");
476 /* We'll need a new connection as we are going to stop being guest */
478 if(disorder_connect_user(c
, username
, password
)) {
479 cgi_set_option("error", "loginfailed");
480 expand_template(ds
, output
, "login");
483 if(disorder_make_cookie(c
, &login_cookie
)) {
484 cgi_set_option("error", "cookiefailed");
485 expand_template(ds
, output
, "login");
488 /* Use the new connection henceforth */
491 /* We have a new cookie */
492 header_cookie(output
->sink
);
493 cgi_set_option("status", "loginok");
494 if((back
= cgi_get("back")) && *back
)
495 /* Redirect back to somewhere or other */
496 redirect(output
->sink
);
498 /* Stick to the login page */
499 expand_template(ds
, output
, "login");
502 static void act_logout(cgi_sink
*output
,
504 disorder_revoke(ds
->g
->client
);
506 /* Reconnect as guest */
507 disorder_cgi_login(ds
, output
);
508 /* Back to the login page */
509 cgi_set_option("status", "logoutok");
510 expand_template(ds
, output
, "login");
513 static void act_register(cgi_sink
*output
,
515 const char *username
, *password
, *password2
, *email
;
516 char *confirm
, *content_type
;
517 const char *text
, *encoding
, *charset
;
519 username
= cgi_get("username");
520 password
= cgi_get("password1");
521 password2
= cgi_get("password2");
522 email
= cgi_get("email");
524 if(!username
|| !*username
) {
525 cgi_set_option("error", "nousername");
526 expand_template(ds
, output
, "login");
529 if(!password
|| !*password
) {
530 cgi_set_option("error", "nopassword");
531 expand_template(ds
, output
, "login");
534 if(!password2
|| !*password2
|| strcmp(password
, password2
)) {
535 cgi_set_option("error", "passwordmismatch");
536 expand_template(ds
, output
, "login");
539 if(!email
|| !*email
) {
540 cgi_set_option("error", "noemail");
541 expand_template(ds
, output
, "login");
544 /* We could well do better address validation but for now we'll just do the
546 if(!strchr(email
, '@')) {
547 cgi_set_option("error", "bademail");
548 expand_template(ds
, output
, "login");
551 if(disorder_register(ds
->g
->client
, username
, password
, email
, &confirm
)) {
552 cgi_set_option("error", "cannotregister");
553 expand_template(ds
, output
, "login");
556 /* Send the user a mail */
557 /* TODO templatize this */
558 byte_xasprintf((char **)&text
,
559 "Welcome to DisOrder. To active your login, please visit this URL:\n"
561 "%s?c=%s\n", config
->url
, urlencodestring(confirm
));
562 if(!(text
= mime_encode_text(text
, &charset
, &encoding
)))
563 fatal(0, "cannot encode email");
564 byte_xasprintf(&content_type
, "text/plain;charset=%s",
565 quote822(charset
, 0));
566 sendmail("", config
->mail_sender
, email
, "Welcome to DisOrder",
567 encoding
, content_type
, text
); /* TODO error checking */
568 /* We'll go back to the login page with a suitable message */
569 cgi_set_option("status", "registered");
570 expand_template(ds
, output
, "login");
573 static void act_confirm(cgi_sink
*output
,
575 const char *confirmation
;
577 if(!(confirmation
= cgi_get("c"))) {
578 cgi_set_option("error", "noconfirm");
579 expand_template(ds
, output
, "login");
581 /* Confirm our registration */
582 if(disorder_confirm(ds
->g
->client
, confirmation
)) {
583 cgi_set_option("error", "badconfirm");
584 expand_template(ds
, output
, "login");
587 if(disorder_make_cookie(ds
->g
->client
, &login_cookie
)) {
588 cgi_set_option("error", "cookiefailed");
589 expand_template(ds
, output
, "login");
592 /* Discard any cached data JIC */
594 /* We have a new cookie */
595 header_cookie(output
->sink
);
596 cgi_set_option("status", "confirmed");
597 expand_template(ds
, output
, "login");
600 static void act_edituser(cgi_sink
*output
,
602 const char *email
= cgi_get("email"), *password
= cgi_get("changepassword1");
603 const char *password2
= cgi_get("changepassword2");
607 if((password
&& *password
) || (password
&& *password2
)) {
608 if(!password
|| !password2
|| strcmp(password
, password2
)) {
609 cgi_set_option("error", "passwordmismatch");
610 expand_template(ds
, output
, "login");
614 password
= password2
= 0;
617 if(disorder_edituser(ds
->g
->client
, disorder_user(ds
->g
->client
),
619 cgi_set_option("error", "badedit");
620 expand_template(ds
, output
, "login");
625 if(disorder_edituser(ds
->g
->client
, disorder_user(ds
->g
->client
),
626 "password", password
)) {
627 cgi_set_option("error", "badedit");
628 expand_template(ds
, output
, "login");
634 login_cookie
= 0; /* it'll be invalid now */
635 /* This is a bit duplicative of act_login() */
637 if(disorder_connect_user(c
, disorder_user(ds
->g
->client
), password
)) {
638 cgi_set_option("error", "loginfailed");
639 expand_template(ds
, output
, "login");
642 if(disorder_make_cookie(c
, &login_cookie
)) {
643 cgi_set_option("error", "cookiefailed");
644 expand_template(ds
, output
, "login");
647 /* Use the new connection henceforth */
650 /* We have a new cookie */
651 header_cookie(output
->sink
);
653 cgi_set_option("status", "edited");
654 expand_template(ds
, output
, "login");
657 static void act_reminder(cgi_sink
*output
,
659 const char *const username
= cgi_get("username");
661 if(!username
|| !*username
) {
662 cgi_set_option("error", "nousername");
663 expand_template(ds
, output
, "login");
666 if(disorder_reminder(ds
->g
->client
, username
)) {
667 cgi_set_option("error", "reminderfailed");
668 expand_template(ds
, output
, "login");
671 cgi_set_option("status", "reminded");
672 expand_template(ds
, output
, "login");
675 static const struct action
{
677 void (*handler
)(cgi_sink
*output
, dcgi_state
*ds
);
679 { "confirm", act_confirm
},
680 { "disable", act_disable
},
681 { "edituser", act_edituser
},
682 { "enable", act_enable
},
683 { "login", act_login
},
684 { "logout", act_logout
},
685 { "move", act_move
},
686 { "pause", act_pause
},
687 { "play", act_play
},
688 { "playing", act_playing
},
689 { "prefs", act_prefs
},
690 { "random-disable", act_random_disable
},
691 { "random-enable", act_random_enable
},
692 { "register", act_register
},
693 { "reminder", act_reminder
},
694 { "remove", act_remove
},
695 { "resume", act_resume
},
696 { "scratch", act_scratch
},
697 { "volume", act_volume
},
700 /* expansions *****************************************************************/
702 static void exp_include(int attribute((unused
)) nargs
,
706 expand(output
, args
[0], u
);
709 static void exp_server_version(int attribute((unused
)) nargs
,
710 char attribute((unused
)) **args
,
717 if(disorder_version(ds
->g
->client
, (char **)&v
)) v
= "(cannot get version)";
719 v
= "(server not running)";
720 cgi_output(output
, "%s", v
);
723 static void exp_version(int attribute((unused
)) nargs
,
724 char attribute((unused
)) **args
,
726 void attribute((unused
)) *u
) {
727 cgi_output(output
, "%s", disorder_short_version_string
);
730 static void exp_nonce(int attribute((unused
)) nargs
,
731 char attribute((unused
)) **args
,
733 void attribute((unused
)) *u
) {
734 cgi_output(output
, "%s", nonce());
737 static void exp_label(int attribute((unused
)) nargs
,
740 void attribute((unused
)) *u
) {
741 cgi_output(output
, "%s", cgi_label(args
[0]));
744 struct trackinfo_state
{
746 const struct queue_entry
*q
;
751 static void exp_who(int attribute((unused
)) nargs
,
752 char attribute((unused
)) **args
,
757 if(ds
->track
&& ds
->track
->submitter
)
758 cgi_output(output
, "%s", ds
->track
->submitter
);
761 static void exp_length(int attribute((unused
)) nargs
,
762 char attribute((unused
)) **args
,
769 && (ds
->track
->state
== playing_started
770 || ds
->track
->state
== playing_paused
)
771 && ds
->track
->sofar
>= 0)
772 cgi_output(output
, "%ld:%02ld/",
773 ds
->track
->sofar
/ 60, ds
->track
->sofar
% 60);
776 disorder_length(ds
->g
->client
, ds
->track
->track
, &length
);
778 disorder_length(ds
->g
->client
, ds
->tracks
[0], &length
);
780 cgi_output(output
, "%ld:%02ld", length
/ 60, length
% 60);
782 sink_printf(output
->sink
, "%s", " ");
785 static void exp_when(int attribute((unused
)) nargs
,
786 char attribute((unused
)) **args
,
790 const struct tm
*w
= 0;
793 switch(ds
->track
->state
) {
794 case playing_isscratch
:
795 case playing_unplayed
:
797 if(ds
->track
->expected
)
798 w
= localtime(&ds
->track
->expected
);
801 case playing_no_player
:
803 case playing_scratched
:
804 case playing_started
:
806 case playing_quitting
:
807 if(ds
->track
->played
)
808 w
= localtime(&ds
->track
->played
);
812 cgi_output(output
, "%d:%02d", w
->tm_hour
, w
->tm_min
);
814 sink_printf(output
->sink
, " ");
817 static void exp_part(int nargs
,
822 const char *s
, *track
, *part
, *context
;
828 track
= ds
->track
->track
;
830 track
= ds
->tracks
[0];
848 if(disorder_part(ds
->g
->client
, (char **)&s
, track
,
849 !strcmp(context
, "short") ?
"display" : context
, part
))
850 fatal(0, "disorder_part() failed");
851 if(!strcmp(context
, "short"))
852 s
= truncate_for_display(s
, config
->short_display
);
853 cgi_output(output
, "%s", s
);
855 sink_printf(output
->sink
, " ");
858 static void exp_playing(int attribute((unused
)) nargs
,
865 lookups(ds
, DC_PLAYING
);
866 memset(&s
, 0, sizeof s
);
869 s
.track
= ds
->g
->playing
;
870 expandstring(output
, args
[0], &s
);
874 static void exp_queue(int attribute((unused
)) nargs
,
880 struct queue_entry
*q
;
882 lookups(ds
, DC_QUEUE
);
883 memset(&s
, 0, sizeof s
);
886 for(q
= ds
->g
->queue
; q
; q
= q
->next
) {
889 expandstring(output
, args
[0], &s
);
895 static void exp_recent(int attribute((unused
)) nargs
,
901 struct queue_entry
*q
;
903 lookups(ds
, DC_RECENT
);
904 memset(&s
, 0, sizeof s
);
907 for(q
= ds
->g
->recent
; q
; q
= q
->next
) {
910 expandstring(output
, args
[0], &s
);
916 static void exp_new(int attribute((unused
)) nargs
,
924 memset(&s
, 0, sizeof s
);
927 for(s
.index
= 0; s
.index
< ds
->g
->nnew
; ++s
.index
) {
928 s
.last
= s
.index
+ 1 < ds
->g
->nnew
;
929 s
.tracks
= &ds
->g
->new[s
.index
];
930 expandstring(output
, args
[0], &s
);
935 static void exp_url(int attribute((unused
)) nargs
,
936 char attribute((unused
)) **args
,
938 void attribute((unused
)) *u
) {
939 cgi_output(output
, "%s", config
->url
);
947 static int compare_result(const void *a
, const void *b
) {
948 const struct result
*ra
= a
, *rb
= b
;
951 if(!(c
= strcmp(ra
->sort
, rb
->sort
)))
952 c
= strcmp(ra
->track
, rb
->track
);
956 static void exp_search(int nargs
,
960 dcgi_state
*ds
= u
, substate
;
962 const char *q
, *context
, *part
, *template;
978 assert(!"should never happen");
979 part
= context
= template = 0; /* quieten compiler */
981 if(ds
->tracks
== 0) {
982 /* we are the top level, let's get some search results */
983 if(!(q
= cgi_get("query"))) return; /* no results yet */
984 if(disorder_search(ds
->g
->client
, q
, &tracks
, &ntracks
)) return;
988 ntracks
= ds
->ntracks
;
990 assert(ntracks
!= 0);
991 /* sort tracks by the appropriate part */
992 r
= xmalloc(ntracks
* sizeof *r
);
993 for(n
= 0; n
< ntracks
; ++n
) {
994 r
[n
].track
= tracks
[n
];
995 if(disorder_part(ds
->g
->client
, (char **)&r
[n
].sort
,
996 tracks
[n
], context
, part
))
997 fatal(0, "disorder_part() failed");
999 qsort(r
, ntracks
, sizeof (struct result
), compare_result
);
1000 /* expand the 2nd arg once for each group. We re-use the passed-in tracks
1001 * array as we know it's guaranteed to be big enough and isn't going to be
1002 * used for anything else any more. */
1003 memset(&substate
, 0, sizeof substate
);
1007 while(n
< ntracks
) {
1008 substate
.tracks
= tracks
;
1009 substate
.ntracks
= 0;
1012 && !strcmp(r
[m
].sort
, r
[n
].sort
))
1013 tracks
[substate
.ntracks
++] = r
[m
++].track
;
1014 substate
.last
= (m
== ntracks
);
1015 expandstring(output
, template, &substate
);
1020 assert(substate
.last
!= 0);
1023 static void exp_arg(int attribute((unused
)) nargs
,
1026 void attribute((unused
)) *u
) {
1029 if((v
= cgi_get(args
[0])))
1030 cgi_output(output
, "%s", v
);
1033 static void exp_stats(int attribute((unused
)) nargs
,
1034 char attribute((unused
)) **args
,
1040 cgi_opentag(output
->sink
, "pre", "class", "stats", (char *)0);
1041 if(!disorder_stats(ds
->g
->client
, &v
, 0)) {
1043 cgi_output(output
, "%s\n", *v
++);
1045 cgi_closetag(output
->sink
, "pre");
1048 static void exp_volume(int attribute((unused
)) nargs
,
1054 lookups(ds
, DC_VOLUME
);
1055 if(!strcmp(args
[0], "left"))
1056 cgi_output(output
, "%d", ds
->g
->volume_left
);
1058 cgi_output(output
, "%d", ds
->g
->volume_right
);
1061 static void exp_shell(int attribute((unused
)) nargs
,
1064 void attribute((unused
)) *u
) {
1070 if(!(pid
= xfork())) {
1075 execlp("sh", "sh", "-c", args
[0], (char *)0);
1076 fatal(errno
, "error executing sh");
1079 while((n
= read(p
[0], buffer
, sizeof buffer
))) {
1081 if(errno
== EINTR
) continue;
1082 else fatal(errno
, "error reading from pipe");
1084 output
->sink
->write(output
->sink
, buffer
, n
);
1087 while((n
= waitpid(pid
, &w
, 0)) < 0 && errno
== EINTR
)
1089 if(n
< 0) fatal(errno
, "error calling waitpid");
1091 error(0, "shell command '%s' %s", args
[0], wstat(w
));
1094 static inline int str2bool(const char *s
) {
1095 return !strcmp(s
, "true");
1098 static inline const char *bool2str(int n
) {
1099 return n ?
"true" : "false";
1102 static char *expandarg(const char *arg
, dcgi_state
*ds
) {
1108 output
.sink
= sink_dynstr(&d
);
1109 expandstring(&output
, arg
, ds
);
1110 dynstr_terminate(&d
);
1114 static void exp_prefs(int attribute((unused
)) nargs
,
1119 dcgi_state substate
;
1121 const char *file
= expandarg(args
[0], ds
);
1123 memset(&substate
, 0, sizeof substate
);
1126 if(disorder_prefs(ds
->g
->client
, file
, &k
)) return;
1128 substate
.last
= !k
->next
;
1130 expandstring(output
, args
[1], &substate
);
1137 static void exp_pref(int attribute((unused
)) nargs
,
1144 if(!disorder_get(ds
->g
->client
, args
[0], args
[1], &value
))
1145 cgi_output(output
, "%s", value
);
1148 static void exp_if(int nargs
,
1153 int n
= str2bool(expandarg(args
[0], ds
)) ?
1 : 2;
1156 expandstring(output
, args
[n
], ds
);
1159 static void exp_and(int nargs
,
1166 for(n
= 0; n
< nargs
; ++n
)
1167 if(!str2bool(expandarg(args
[n
], ds
))) {
1171 sink_printf(output
->sink
, "%s", bool2str(result
));
1174 static void exp_or(int nargs
,
1181 for(n
= 0; n
< nargs
; ++n
)
1182 if(str2bool(expandarg(args
[n
], ds
))) {
1186 sink_printf(output
->sink
, "%s", bool2str(result
));
1189 static void exp_not(int attribute((unused
)) nargs
,
1192 void attribute((unused
)) *u
) {
1193 sink_printf(output
->sink
, "%s", bool2str(!str2bool(args
[0])));
1196 static void exp_isplaying(int attribute((unused
)) nargs
,
1197 char attribute((unused
)) **args
,
1202 lookups(ds
, DC_PLAYING
);
1203 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->playing
));
1206 static void exp_isqueue(int attribute((unused
)) nargs
,
1207 char attribute((unused
)) **args
,
1212 lookups(ds
, DC_QUEUE
);
1213 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->queue
));
1216 static void exp_isrecent(int attribute((unused
)) nargs
,
1217 char attribute((unused
)) **args
,
1222 lookups(ds
, DC_RECENT
);
1223 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->recent
));
1226 static void exp_isnew(int attribute((unused
)) nargs
,
1227 char attribute((unused
)) **args
,
1232 lookups(ds
, DC_NEW
);
1233 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->nnew
));
1236 static void exp_id(int attribute((unused
)) nargs
,
1237 char attribute((unused
)) **args
,
1243 cgi_output(output
, "%s", ds
->track
->id
);
1246 static void exp_track(int attribute((unused
)) nargs
,
1247 char attribute((unused
)) **args
,
1253 cgi_output(output
, "%s", ds
->track
->track
);
1256 static void exp_parity(int attribute((unused
)) nargs
,
1257 char attribute((unused
)) **args
,
1262 cgi_output(output
, "%s", ds
->index
% 2 ?
"odd" : "even");
1265 static void exp_comment(int attribute((unused
)) nargs
,
1266 char attribute((unused
)) **args
,
1267 cgi_sink
attribute((unused
)) *output
,
1268 void attribute((unused
)) *u
) {
1272 static void exp_prefname(int attribute((unused
)) nargs
,
1273 char attribute((unused
)) **args
,
1278 if(ds
->pref
&& ds
->pref
->name
)
1279 cgi_output(output
, "%s", ds
->pref
->name
);
1282 static void exp_prefvalue(int attribute((unused
)) nargs
,
1283 char attribute((unused
)) **args
,
1288 if(ds
->pref
&& ds
->pref
->value
)
1289 cgi_output(output
, "%s", ds
->pref
->value
);
1292 static void exp_isfiles(int attribute((unused
)) nargs
,
1293 char attribute((unused
)) **args
,
1298 lookups(ds
, DC_FILES
);
1299 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->nfiles
));
1302 static void exp_isdirectories(int attribute((unused
)) nargs
,
1303 char attribute((unused
)) **args
,
1308 lookups(ds
, DC_DIRS
);
1309 sink_printf(output
->sink
, "%s", bool2str(!!ds
->g
->ndirs
));
1312 static void exp_choose(int attribute((unused
)) nargs
,
1317 dcgi_state substate
;
1321 const char *type
, *what
= expandarg(args
[0], ds
);
1323 if(!strcmp(what
, "files")) {
1324 lookups(ds
, DC_FILES
);
1325 files
= ds
->g
->files
;
1326 nfiles
= ds
->g
->nfiles
;
1328 } else if(!strcmp(what
, "directories")) {
1329 lookups(ds
, DC_DIRS
);
1330 files
= ds
->g
->dirs
;
1331 nfiles
= ds
->g
->ndirs
;
1334 error(0, "unknown @choose@ argument '%s'", what
);
1337 e
= xmalloc(nfiles
* sizeof (struct entry
));
1338 for(n
= 0; n
< nfiles
; ++n
) {
1339 e
[n
].path
= files
[n
];
1340 e
[n
].sort
= trackname_transform(type
, files
[n
], "sort");
1341 e
[n
].display
= trackname_transform(type
, files
[n
], "display");
1343 qsort(e
, nfiles
, sizeof (struct entry
), compare_entry
);
1344 memset(&substate
, 0, sizeof substate
);
1347 for(n
= 0; n
< nfiles
; ++n
) {
1348 substate
.last
= (n
== nfiles
- 1);
1350 substate
.entry
= &e
[n
];
1351 expandstring(output
, args
[1], &substate
);
1356 static void exp_file(int attribute((unused
)) nargs
,
1357 char attribute((unused
)) **args
,
1363 cgi_output(output
, "%s", ds
->entry
->path
);
1365 cgi_output(output
, "%s", ds
->track
->track
);
1367 cgi_output(output
, "%s", ds
->tracks
[0]);
1370 static void exp_transform(int nargs
,
1373 void attribute((unused
)) *u
) {
1374 const char *context
= nargs
> 2 ? args
[2] : "display";
1376 cgi_output(output
, "%s", trackname_transform(args
[1], args
[0], context
));
1379 static void exp_urlquote(int attribute((unused
)) nargs
,
1382 void attribute((unused
)) *u
) {
1383 cgi_output(output
, "%s", urlencodestring(args
[0]));
1386 static void exp_scratchable(int attribute((unused
)) nargs
,
1387 char attribute((unused
)) **args
,
1389 void attribute((unused
)) *u
) {
1392 lookups(ds
, DC_PLAYING
|DC_RIGHTS
);
1393 sink_printf(output
->sink
, "%s",
1394 bool2str(right_scratchable(ds
->g
->rights
,
1395 disorder_user(ds
->g
->client
),
1399 static void exp_removable(int attribute((unused
)) nargs
,
1400 char attribute((unused
)) **args
,
1402 void attribute((unused
)) *u
) {
1405 lookups(ds
, DC_RIGHTS
);
1406 sink_printf(output
->sink
, "%s",
1407 bool2str(right_removable(ds
->g
->rights
,
1408 disorder_user(ds
->g
->client
),
1412 static void exp_movable(int attribute((unused
)) nargs
,
1413 char attribute((unused
)) **args
,
1415 void attribute((unused
)) *u
) {
1418 lookups(ds
, DC_RIGHTS
);
1419 sink_printf(output
->sink
, "%s",
1420 bool2str(right_movable(ds
->g
->rights
,
1421 disorder_user(ds
->g
->client
),
1425 static void exp_navigate(int attribute((unused
)) nargs
,
1430 dcgi_state substate
;
1431 const char *path
= expandarg(args
[0], ds
);
1436 memset(&substate
, 0, sizeof substate
);
1438 ptr
= path
+ 1; /* skip root */
1440 substate
.nav_path
= path
;
1443 while(*ptr
&& *ptr
!= '/')
1445 substate
.last
= !*ptr
;
1446 substate
.nav_len
= ptr
- path
;
1447 substate
.nav_dirlen
= dirlen
;
1448 expandstring(output
, args
[1], &substate
);
1449 dirlen
= substate
.nav_len
;
1456 static void exp_fullname(int attribute((unused
)) nargs
,
1457 char attribute((unused
)) **args
,
1461 cgi_output(output
, "%.*s", ds
->nav_len
, ds
->nav_path
);
1464 static void exp_basename(int nargs
,
1472 if((s
= strrchr(args
[0], '/'))) ++s
;
1474 cgi_output(output
, "%s", s
);
1476 cgi_output(output
, "%.*s", ds
->nav_len
- ds
->nav_dirlen
- 1,
1477 ds
->nav_path
+ ds
->nav_dirlen
+ 1);
1480 static void exp_dirname(int nargs
,
1488 if((s
= strrchr(args
[0], '/')))
1489 cgi_output(output
, "%.*s", (int)(s
- args
[0]), args
[0]);
1491 cgi_output(output
, "%.*s", ds
->nav_dirlen
, ds
->nav_path
);
1494 static void exp_eq(int attribute((unused
)) nargs
,
1497 void attribute((unused
)) *u
) {
1498 cgi_output(output
, "%s", bool2str(!strcmp(args
[0], args
[1])));
1501 static void exp_ne(int attribute((unused
)) nargs
,
1504 void attribute((unused
)) *u
) {
1505 cgi_output(output
, "%s", bool2str(strcmp(args
[0], args
[1])));
1508 static void exp_enabled(int attribute((unused
)) nargs
,
1509 char attribute((unused
)) **args
,
1516 disorder_enabled(ds
->g
->client
, &enabled
);
1517 cgi_output(output
, "%s", bool2str(enabled
));
1520 static void exp_random_enabled(int attribute((unused
)) nargs
,
1521 char attribute((unused
)) **args
,
1528 disorder_random_enabled(ds
->g
->client
, &enabled
);
1529 cgi_output(output
, "%s", bool2str(enabled
));
1532 static void exp_trackstate(int attribute((unused
)) nargs
,
1537 struct queue_entry
*q
;
1540 if(disorder_resolve(ds
->g
->client
, &track
, args
[0])) return;
1541 lookups(ds
, DC_QUEUE
|DC_PLAYING
);
1542 if(ds
->g
->playing
&& !strcmp(ds
->g
->playing
->track
, track
))
1543 cgi_output(output
, "playing");
1545 for(q
= ds
->g
->queue
; q
&& strcmp(q
->track
, track
); q
= q
->next
)
1548 cgi_output(output
, "queued");
1552 static void exp_thisurl(int attribute((unused
)) nargs
,
1553 char attribute((unused
)) **args
,
1555 void attribute((unused
)) *u
) {
1556 kvp_set(&cgi_args
, "nonce", nonce()); /* nonces had better differ! */
1557 cgi_output(output
, "%s?%s", config
->url
, kvp_urlencode(cgi_args
, 0));
1560 static void exp_isfirst(int attribute((unused
)) nargs
,
1561 char attribute((unused
)) **args
,
1566 sink_printf(output
->sink
, "%s", bool2str(!!ds
->first
));
1569 static void exp_islast(int attribute((unused
)) nargs
,
1570 char attribute((unused
)) **args
,
1575 sink_printf(output
->sink
, "%s", bool2str(!!ds
->last
));
1578 static void exp_action(int attribute((unused
)) nargs
,
1579 char attribute((unused
)) **args
,
1581 void attribute((unused
)) *u
) {
1582 const char *action
= cgi_get("action"), *mgmt
;
1584 if(!action
) action
= "playing";
1585 if(!strcmp(action
, "playing")
1586 && (mgmt
= cgi_get("mgmt"))
1587 && !strcmp(mgmt
, "true"))
1589 sink_printf(output
->sink
, "%s", action
);
1592 static void exp_resolve(int attribute((unused
)) nargs
,
1595 void attribute((unused
)) *u
) {
1599 if(!disorder_resolve(ds
->g
->client
, &track
, args
[0]))
1600 sink_printf(output
->sink
, "%s", track
);
1603 static void exp_paused(int attribute((unused
)) nargs
,
1604 char attribute((unused
)) **args
,
1610 lookups(ds
, DC_PLAYING
);
1611 if(ds
->g
->playing
&& ds
->g
->playing
->state
== playing_paused
)
1613 cgi_output(output
, "%s", bool2str(paused
));
1616 static void exp_state(int attribute((unused
)) nargs
,
1617 char attribute((unused
)) **args
,
1623 cgi_output(output
, "%s", playing_states
[ds
->track
->state
]);
1626 static void exp_files(int attribute((unused
)) nargs
,
1631 dcgi_state substate
;
1632 const char *nfiles_arg
, *directory
;
1633 int nfiles
, numfile
;
1636 memset(&substate
, 0, sizeof substate
);
1638 if((directory
= cgi_get("directory"))) {
1639 /* Prefs for whole directory. */
1640 lookups(ds
, DC_FILES
);
1641 /* Synthesize args for the file list. */
1642 nfiles
= ds
->g
->nfiles
;
1643 for(numfile
= 0; numfile
< nfiles
; ++numfile
) {
1644 k
= xmalloc(sizeof *k
);
1645 byte_xasprintf((char **)&k
->name
, "%d_file", numfile
);
1646 k
->value
= ds
->g
->files
[numfile
];
1651 /* Args already present. */
1652 if((nfiles_arg
= cgi_get("files"))) nfiles
= atoi(nfiles_arg
);
1655 for(numfile
= 0; numfile
< nfiles
; ++numfile
) {
1656 substate
.index
= numfile
;
1657 expandstring(output
, args
[0], &substate
);
1661 static void exp_index(int attribute((unused
)) nargs
,
1662 char attribute((unused
)) **args
,
1667 cgi_output(output
, "%d", ds
->index
);
1670 static void exp_nfiles(int attribute((unused
)) nargs
,
1671 char attribute((unused
)) **args
,
1675 const char *files_arg
;
1677 if(cgi_get("directory")) {
1678 lookups(ds
, DC_FILES
);
1679 cgi_output(output
, "%d", ds
->g
->nfiles
);
1680 } else if((files_arg
= cgi_get("files")))
1681 cgi_output(output
, "%s", files_arg
);
1683 cgi_output(output
, "1");
1686 static void exp_user(int attribute((unused
)) nargs
,
1687 char attribute((unused
)) **args
,
1690 dcgi_state
*const ds
= u
;
1692 cgi_output(output
, "%s", disorder_user(ds
->g
->client
));
1695 static void exp_right(int attribute((unused
)) nargs
,
1699 dcgi_state
*const ds
= u
;
1700 const char *right
= expandarg(args
[0], ds
);
1703 lookups(ds
, DC_RIGHTS
);
1704 if(parse_rights(right
, &r
, 1/*report*/))
1707 cgi_output(output
, "%s", bool2str(!!(r
& ds
->g
->rights
)));
1708 else if(r
& ds
->g
->rights
)
1709 expandstring(output
, args
[1], ds
);
1711 expandstring(output
, args
[2], ds
);
1714 static void exp_userinfo(int attribute((unused
)) nargs
,
1718 dcgi_state
*const ds
= u
;
1721 if(disorder_userinfo(ds
->g
->client
, disorder_user(ds
->g
->client
), args
[0],
1724 cgi_output(output
, "%s", value
);
1727 static void exp_image(int attribute((unused
)) nargs
,
1730 void attribute((unused
)) *u
) {
1732 const char *imagestem
;
1734 byte_xasprintf(&labelname
, "images.%s", args
[0]);
1735 if(cgi_label_exists(labelname
))
1736 imagestem
= cgi_label(labelname
);
1737 else if(strchr(args
[0], '.'))
1738 imagestem
= args
[0];
1740 byte_xasprintf((char **)&imagestem
, "%s.png", args
[0]);
1741 if(cgi_label_exists("url.static"))
1742 cgi_output(output
, "%s/%s", cgi_label("url.static"), imagestem
);
1744 cgi_output(output
, "/disorder/%s", imagestem
);
1747 static const struct cgi_expansion expansions
[] = {
1748 { "#", 0, INT_MAX
, EXP_MAGIC
, exp_comment
},
1749 { "action", 0, 0, 0, exp_action
},
1750 { "and", 0, INT_MAX
, EXP_MAGIC
, exp_and
},
1751 { "arg", 1, 1, 0, exp_arg
},
1752 { "basename", 0, 1, 0, exp_basename
},
1753 { "choose", 2, 2, EXP_MAGIC
, exp_choose
},
1754 { "dirname", 0, 1, 0, exp_dirname
},
1755 { "enabled", 0, 0, 0, exp_enabled
},
1756 { "eq", 2, 2, 0, exp_eq
},
1757 { "file", 0, 0, 0, exp_file
},
1758 { "files", 1, 1, EXP_MAGIC
, exp_files
},
1759 { "fullname", 0, 0, 0, exp_fullname
},
1760 { "id", 0, 0, 0, exp_id
},
1761 { "if", 2, 3, EXP_MAGIC
, exp_if
},
1762 { "image", 1, 1, 0, exp_image
},
1763 { "include", 1, 1, 0, exp_include
},
1764 { "index", 0, 0, 0, exp_index
},
1765 { "isdirectories", 0, 0, 0, exp_isdirectories
},
1766 { "isfiles", 0, 0, 0, exp_isfiles
},
1767 { "isfirst", 0, 0, 0, exp_isfirst
},
1768 { "islast", 0, 0, 0, exp_islast
},
1769 { "isnew", 0, 0, 0, exp_isnew
},
1770 { "isplaying", 0, 0, 0, exp_isplaying
},
1771 { "isqueue", 0, 0, 0, exp_isqueue
},
1772 { "isrecent", 0, 0, 0, exp_isrecent
},
1773 { "label", 1, 1, 0, exp_label
},
1774 { "length", 0, 0, 0, exp_length
},
1775 { "movable", 0, 0, 0, exp_movable
},
1776 { "navigate", 2, 2, EXP_MAGIC
, exp_navigate
},
1777 { "ne", 2, 2, 0, exp_ne
},
1778 { "new", 1, 1, EXP_MAGIC
, exp_new
},
1779 { "nfiles", 0, 0, 0, exp_nfiles
},
1780 { "nonce", 0, 0, 0, exp_nonce
},
1781 { "not", 1, 1, 0, exp_not
},
1782 { "or", 0, INT_MAX
, EXP_MAGIC
, exp_or
},
1783 { "parity", 0, 0, 0, exp_parity
},
1784 { "part", 1, 3, 0, exp_part
},
1785 { "paused", 0, 0, 0, exp_paused
},
1786 { "playing", 1, 1, EXP_MAGIC
, exp_playing
},
1787 { "pref", 2, 2, 0, exp_pref
},
1788 { "prefname", 0, 0, 0, exp_prefname
},
1789 { "prefs", 2, 2, EXP_MAGIC
, exp_prefs
},
1790 { "prefvalue", 0, 0, 0, exp_prefvalue
},
1791 { "queue", 1, 1, EXP_MAGIC
, exp_queue
},
1792 { "random-enabled", 0, 0, 0, exp_random_enabled
},
1793 { "recent", 1, 1, EXP_MAGIC
, exp_recent
},
1794 { "removable", 0, 0, 0, exp_removable
},
1795 { "resolve", 1, 1, 0, exp_resolve
},
1796 { "right", 1, 3, EXP_MAGIC
, exp_right
},
1797 { "scratchable", 0, 0, 0, exp_scratchable
},
1798 { "search", 2, 3, EXP_MAGIC
, exp_search
},
1799 { "server-version", 0, 0, 0, exp_server_version
},
1800 { "shell", 1, 1, 0, exp_shell
},
1801 { "state", 0, 0, 0, exp_state
},
1802 { "stats", 0, 0, 0, exp_stats
},
1803 { "thisurl", 0, 0, 0, exp_thisurl
},
1804 { "track", 0, 0, 0, exp_track
},
1805 { "trackstate", 1, 1, 0, exp_trackstate
},
1806 { "transform", 2, 3, 0, exp_transform
},
1807 { "url", 0, 0, 0, exp_url
},
1808 { "urlquote", 1, 1, 0, exp_urlquote
},
1809 { "user", 0, 0, 0, exp_user
},
1810 { "userinfo", 1, 1, 0, exp_userinfo
},
1811 { "version", 0, 0, 0, exp_version
},
1812 { "volume", 1, 1, 0, exp_volume
},
1813 { "when", 0, 0, 0, exp_when
},
1814 { "who", 0, 0, 0, exp_who
}
1817 static void expand(cgi_sink
*output
,
1818 const char *template,
1820 cgi_expand(template,
1821 expansions
, sizeof expansions
/ sizeof *expansions
,
1826 static void expandstring(cgi_sink
*output
,
1829 cgi_expand_string("",
1831 expansions
, sizeof expansions
/ sizeof *expansions
,
1836 static void perform_action(cgi_sink
*output
, dcgi_state
*ds
,
1837 const char *action
) {
1840 /* We don't ever want anything to be cached */
1841 cgi_header(output
->sink
, "Cache-Control", "no-cache");
1842 if((n
= TABLE_FIND(actions
, struct action
, name
, action
)) >= 0)
1843 actions
[n
].handler(output
, ds
);
1845 expand_template(ds
, output
, action
);
1848 void disorder_cgi(cgi_sink
*output
, dcgi_state
*ds
) {
1849 const char *action
= cgi_get("action");
1852 /* We allow URLs which are just confirm=... in order to keep confirmation
1853 * URLs, which are user-facing, as short as possible. */
1859 perform_action(output
, ds
, action
);
1862 void disorder_cgi_error(cgi_sink
*output
, dcgi_state
*ds
,
1864 cgi_set_option("error", msg
);
1865 perform_action(output
, ds
, "error");
1868 /** @brief Log in as the current user or guest if none */
1869 void disorder_cgi_login(dcgi_state
*ds
, cgi_sink
*output
) {
1870 /* Create a new connection */
1871 ds
->g
->client
= disorder_new(0);
1872 /* Forget everything we knew */
1875 if(disorder_connect_cookie(ds
->g
->client
, login_cookie
)) {
1876 disorder_cgi_error(output
, ds
, "connect");
1879 /* If there was a cookie but it went bad, we forget it */
1880 if(login_cookie
&& !strcmp(disorder_user(ds
->g
->client
), "guest"))