+++ /dev/null
--/*
-- * This file is part of DisOrder.
-- * 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
-- * the Free Software Foundation; either version 2 of the License, or
-- * (at your option) any later version.
-- *
-- * This program is distributed in the hope that it will be useful, but
-- * WITHOUT ANY WARRANTY; without even the implied warranty of
-- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-- * General Public License for more details.
-- *
-- * You should have received a copy of the GNU General Public License
-- * along with this program; if not, write to the Free Software
-- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
-- * USA
-- */
--
--#include <config.h>
--#include "types.h"
--
--#include <string.h>
--#include <stdio.h>
--#include <unistd.h>
--#include <stdlib.h>
--#include <errno.h>
--#include <sys/stat.h>
--#include <stddef.h>
--#include <fcntl.h>
--#include <unistd.h>
--#include <pcre.h>
--#include <limits.h>
--#include <fnmatch.h>
--#include <ctype.h>
--
--#include "mem.h"
--#include "log.h"
--#include "hex.h"
--#include "charset.h"
--#include "configuration.h"
--#include "table.h"
--#include "syscalls.h"
--#include "kvp.h"
--#include "vector.h"
--#include "split.h"
--#include "inputline.h"
--#include "regsub.h"
--#include "defs.h"
--#include "sink.h"
- #include "cgi.h"
-#include "server-cgi.h"
--#include "printf.h"
--#include "mime.h"
--#include "unicode.h"
-
- struct kvp *cgi_args;
-
- /* options */
- struct column {
- struct column *next;
- char *name;
- int ncolumns;
- char **columns;
- };
-
- #define RELIST(x) struct re *x, **x##_tail = &x
-
- static int have_read_options;
- static struct kvp *labels;
- static struct column *columns;
-
- static void include_options(const char *name);
-
- static void cgi_parse_get(void) {
- const char *q;
-
- if(!(q = getenv("QUERY_STRING"))) fatal(0, "QUERY_STRING not set");
- cgi_args = kvp_urldecode(q, strlen(q));
- }
-
- static void cgi_input(char **ptrp, size_t *np) {
- const char *cl;
- char *q;
- size_t n, m = 0;
- int r;
-
- if(!(cl = getenv("CONTENT_LENGTH"))) fatal(0, "CONTENT_LENGTH not set");
- n = atol(cl);
- q = xmalloc_noptr(n + 1);
- while(m < n) {
- r = read(0, q + m, n - m);
- if(r > 0)
- m += r;
- else if(r == 0)
- fatal(0, "unexpected end of file reading request body");
- else switch(errno) {
- case EINTR: break;
- default: fatal(errno, "error reading request body");
- }
- }
- if(memchr(q, 0, n)) fatal(0, "null character in request body");
- q[n + 1] = 0;
- *ptrp = q;
- if(np) *np = n;
- }
-
- static int cgi_field_callback(const char *name, const char *value,
- void *u) {
- char *disposition, *pname, *pvalue;
- char **namep = u;
-
- if(!strcmp(name, "content-disposition")) {
- if(mime_rfc2388_content_disposition(value,
- &disposition,
- &pname,
- &pvalue))
- fatal(0, "error parsing Content-Disposition field");
- if(!strcmp(disposition, "form-data")
- && pname
- && !strcmp(pname, "name")) {
- if(*namep)
- fatal(0, "duplicate Content-Disposition field");
- *namep = pvalue;
- }
- }
- return 0;
- }
-
- static int cgi_part_callback(const char *s,
- void attribute((unused)) *u) {
- char *name = 0;
- struct kvp *k;
-
- if(!(s = mime_parse(s, cgi_field_callback, &name)))
- fatal(0, "error parsing part header");
- if(!name) fatal(0, "no name found");
- k = xmalloc(sizeof *k);
- k->next = cgi_args;
- k->name = name;
- k->value = s;
- cgi_args = k;
- return 0;
- }
-
- static void cgi_parse_multipart(const char *boundary) {
- char *q;
-
- cgi_input(&q, 0);
- if(mime_multipart(q, cgi_part_callback, boundary, 0))
- fatal(0, "invalid multipart object");
- }
-
- static void cgi_parse_post(void) {
- const char *ct, *boundary;
- char *q, *type;
- size_t n;
- struct kvp *k;
-
- if(!(ct = getenv("CONTENT_TYPE")))
- ct = "application/x-www-form-urlencoded";
- if(mime_content_type(ct, &type, &k))
- fatal(0, "invalid content type '%s'", ct);
- if(!strcmp(type, "application/x-www-form-urlencoded")) {
- cgi_input(&q, &n);
- cgi_args = kvp_urldecode(q, n);
- return;
- }
- if(!strcmp(type, "multipart/form-data")) {
- if(!(boundary = kvp_get(k, "boundary")))
- fatal(0, "no boundary parameter found");
- cgi_parse_multipart(boundary);
- return;
- }
- fatal(0, "unrecognized content type '%s'", type);
- }
-
- void cgi_parse(void) {
- const char *p;
- struct kvp *k;
-
- if(!(p = getenv("REQUEST_METHOD"))) fatal(0, "REQUEST_METHOD not set");
- if(!strcmp(p, "GET"))
- cgi_parse_get();
- else if(!strcmp(p, "POST"))
- cgi_parse_post();
- else
- fatal(0, "unknown request method %s", p);
- for(k = cgi_args; k; k = k->next)
- if(!utf8_valid(k->name, strlen(k->name))
- || !utf8_valid(k->value, strlen(k->value)))
- fatal(0, "invalid UTF-8 sequence in cgi argument");
- }
-
- const char *cgi_get(const char *name) {
- return kvp_get(cgi_args, name);
- }
-
- void cgi_output(cgi_sink *output, const char *fmt, ...) {
- va_list ap;
- int n;
- char *r;
-
- va_start(ap, fmt);
- n = byte_vasprintf(&r, fmt, ap);
- if(n < 0)
- fatal(errno, "error calling byte_vasprintf");
- if(output->quote)
- r = cgi_sgmlquote(r, 0);
- output->sink->write(output->sink, r, strlen(r));
- va_end(ap);
- }
-#include "hash.h"
--
--void cgi_header(struct sink *output, const char *name, const char *value) {
-- sink_printf(output, "%s: %s\r\n", name, value);
--}
--
--void cgi_body(struct sink *output) {
-- sink_printf(output, "\r\n");
- }
-
- char *cgi_sgmlquote(const char *s, int raw) {
- uint32_t *ucs, *p, c;
- char *b, *bp;
- int n;
-
- if(!raw) {
- if(!(ucs = utf8_to_utf32(s, strlen(s), 0))) exit(EXIT_FAILURE);
- } else {
- ucs = xmalloc_noptr((strlen(s) + 1) * sizeof(uint32_t));
- for(n = 0; s[n]; ++n)
- ucs[n] = (unsigned char)s[n];
- ucs[n] = 0;
- }
-
- n = 1;
- /* estimate the length we'll need */
- for(p = ucs; (c = *p); ++p) {
- switch(c) {
- default:
- if(c > 127 || c < 32) {
- case '"':
- case '&':
- case '<':
- case '>':
- n += 12;
- break;
- } else
- n++;
- }
- }
- /* format the string */
- b = bp = xmalloc_noptr(n);
- for(p = ucs; (c = *p); ++p) {
- switch(c) {
- default:
- if(*p > 127 || *p < 32) {
- case '"':
- case '&':
- case '<':
- case '>':
- bp += sprintf(bp, "&#%lu;", (unsigned long)c);
- break;
- } else
- *bp++ = c;
- }
- }
- *bp = 0;
- return b;
- }
-
- void cgi_attr(struct sink *output, const char *name, const char *value) {
- if(!value[strspn(value, "abcdefghijklmnopqrstuvwxyz"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "0123456789")])
- sink_printf(output, "%s=%s", name, value);
- else
- sink_printf(output, "%s=\"%s\"", name, cgi_sgmlquote(value, 0));
- }
-
- void cgi_opentag(struct sink *output, const char *name, ...) {
- va_list ap;
- const char *n, *v;
-
- sink_printf(output, "<%s", name);
- va_start(ap, name);
- while((n = va_arg(ap, const char *))) {
- sink_printf(output, " ");
- v = va_arg(ap, const char *);
- if(v)
- cgi_attr(output, n, v);
- else
- sink_printf(output, n);
- }
- sink_printf(output, ">");
- }
-
- void cgi_closetag(struct sink *output, const char *name) {
- sink_printf(output, "</%s>", name);
- }
-
- static int template_open(const char *name,
- const char *ext,
- const char **filenamep) {
- const char *dirs[2];
- int fd = -1, n;
- char *fullpath;
-
- dirs[0] = pkgconfdir;
- dirs[1] = pkgdatadir;
- if(name[0] == '/') {
- if((fd = open(name, O_RDONLY)) < 0) fatal(0, "cannot open %s", name);
- *filenamep = name;
- } else {
- for(n = 0; n < config->templates.n + (int)(sizeof dirs / sizeof *dirs); ++n) {
- byte_xasprintf(&fullpath, "%s/%s%s",
- n < config->templates.n ? config->templates.s[n]
- : dirs[n - config->templates.n],
- name, ext);
- if((fd = open(fullpath, O_RDONLY)) >= 0) break;
- }
- if(fd < 0) error(0, "cannot find %s%s in template path", name, ext);
- *filenamep = fullpath;
- }
- return fd;
- }
-
- static int valid_template_name(const char *name) {
- if(strchr(name, '/') || name[0] == '.')
- return 0;
- return 1;
- }
-
- void cgi_expand(const char *template,
- const struct cgi_expansion *expansions,
- size_t nexpansions,
- cgi_sink *output,
- void *u) {
- int fd = -1;
- int n;
- off_t m;
- char *b;
- struct stat sb;
-
- if(!valid_template_name(template))
- fatal(0, "invalid template name '%s'", template);
- if((fd = template_open(template, ".html", &template)) < 0)
- exitfn(EXIT_FAILURE);
- if(fstat(fd, &sb) < 0) fatal(errno, "cannot stat %s", template);
- m = 0;
- b = xmalloc_noptr(sb.st_size + 1);
- while(m < sb.st_size) {
- n = read(fd, b + m, sb.st_size - m);
- if(n > 0) m += n;
- else if(n == 0) fatal(0, "unexpected EOF reading %s", template);
- else if(errno != EINTR) fatal(errno, "error reading %s", template);
- }
- b[sb.st_size] = 0;
- xclose(fd);
- cgi_expand_string(template, b, expansions, nexpansions, output, u);
- }
-
- void cgi_expand_string(const char *name,
- const char *template,
- const struct cgi_expansion *expansions,
- size_t nexpansions,
- cgi_sink *output,
- void *u) {
- int braces, n, m, line = 1, sline;
- char *argname;
- const char *p;
- struct vector v;
- struct dynstr d;
- cgi_sink parameter_output;
-
- while(*template) {
- if(*template != '@') {
- p = template;
- while(*p && *p != '@') {
- if(*p == '\n') ++line;
- ++p;
- }
- output->sink->write(output->sink, template, p - template);
- template = p;
- continue;
- }
- vector_init(&v);
- braces = 0;
- ++template;
- sline = line;
- while(*template != '@') {
- dynstr_init(&d);
- if(*template == '{') {
- /* bracketed arg */
- ++template;
- while(*template && (*template != '}' || braces > 0)) {
- switch(*template) {
- case '{': ++braces; break;
- case '}': --braces; break;
- case '\n': ++line; break;
- }
- dynstr_append(&d, *template++);
- }
- if(!*template) fatal(0, "%s:%d: unterminated expansion", name, sline);
- ++template;
- /* skip whitespace after closing bracket */
- while(isspace((unsigned char)*template))
- ++template;
- } else {
- /* unbracketed arg */
- /* leading whitespace is not significant in unquoted args */
- while(isspace((unsigned char)*template))
- ++template;
- while(*template
- && *template != '@' && *template != '{' && *template != ':') {
- if(*template == '\n') ++line;
- dynstr_append(&d, *template++);
- }
- if(*template == ':')
- ++template;
- if(!*template) fatal(0, "%s:%d: unterminated expansion", name, sline);
- /* trailing whitespace is not significant in unquoted args */
- while(d.nvec && (isspace((unsigned char)d.vec[d.nvec - 1])))
- --d.nvec;
- }
- dynstr_terminate(&d);
- vector_append(&v, d.vec);
- }
- ++template;
- vector_terminate(&v);
- /* @@ terminates this file */
- if(v.nvec == 0)
- break;
- if((n = table_find(expansions,
- offsetof(struct cgi_expansion, name),
- sizeof (struct cgi_expansion),
- nexpansions,
- v.vec[0])) < 0)
- fatal(0, "%s:%d: unknown expansion '%s'", name, line, v.vec[0]);
- if(v.nvec - 1 < expansions[n].minargs)
- fatal(0, "%s:%d: insufficient arguments to @%s@ (min %d, got %d)",
- name, line, v.vec[0], expansions[n].minargs, v.nvec - 1);
- if(v.nvec - 1 > expansions[n].maxargs)
- fatal(0, "%s:%d: too many arguments to @%s@ (max %d, got %d)",
- name, line, v.vec[0], expansions[n].maxargs, v.nvec - 1);
- /* for ordinary expansions, recursively expand the arguments */
- if(!(expansions[n].flags & EXP_MAGIC)) {
- for(m = 1; m < v.nvec; ++m) {
- dynstr_init(&d);
- byte_xasprintf(&argname, "<%s:%d arg #%d>", name, sline, m);
- parameter_output.quote = 0;
- parameter_output.sink = sink_dynstr(&d);
- cgi_expand_string(argname, v.vec[m],
- expansions, nexpansions,
- ¶meter_output, u);
- dynstr_terminate(&d);
- v.vec[m] = d.vec;
- }
- }
- expansions[n].handler(v.nvec - 1, v.vec + 1, output, u);
- }
- }
-
- char *cgi_makeurl(const char *url, ...) {
- va_list ap;
- struct kvp *kvp, *k, **kk = &kvp;
- struct dynstr d;
- const char *n, *v;
-
- dynstr_init(&d);
- dynstr_append_string(&d, url);
- va_start(ap, url);
- while((n = va_arg(ap, const char *))) {
- v = va_arg(ap, const char *);
- *kk = k = xmalloc(sizeof *k);
- kk = &k->next;
- k->name = n;
- k->value = v;
- }
- *kk = 0;
- if(kvp) {
- dynstr_append(&d, '?');
- dynstr_append_string(&d, kvp_urlencode(kvp, 0));
- }
- dynstr_terminate(&d);
- return d.vec;
- }
-
- void cgi_set_option(const char *name, const char *value) {
- struct kvp *k = xmalloc(sizeof *k);
-
- k->next = labels;
- k->name = name;
- k->value = value;
- labels = k;
- }
-
- static void option_label(int attribute((unused)) nvec,
- char **vec) {
- cgi_set_option(vec[0], vec[1]);
- }
-
- static void option_include(int attribute((unused)) nvec,
- char **vec) {
- include_options(vec[0]);
- }
-
- static void option_columns(int nvec,
- char **vec) {
- struct column *c = xmalloc(sizeof *c);
-
- c->next = columns;
- c->name = vec[0];
- c->ncolumns = nvec - 1;
- c->columns = &vec[1];
- columns = c;
- }
-
- static struct option {
- const char *name;
- int minargs, maxargs;
- void (*handler)(int nvec, char **vec);
- } options[] = {
- { "columns", 1, INT_MAX, option_columns },
- { "include", 1, 1, option_include },
- { "label", 2, 2, option_label },
- };
-
- struct read_options_state {
- const char *name;
- int line;
- };
-
- static void read_options_error(const char *msg,
- void *u) {
- struct read_options_state *cs = u;
-
- error(0, "%s:%d: %s", cs->name, cs->line, msg);
- }
-
- static void include_options(const char *name) {
- int n, i;
- int fd;
- FILE *fp;
- char **vec, *buffer;
- struct read_options_state cs;
-
- if((fd = template_open(name, "", &cs.name)) < 0) return;
- if(!(fp = fdopen(fd, "r"))) fatal(errno, "error calling fdopen");
- cs.line = 0;
- while(!inputline(cs.name, fp, &buffer, '\n')) {
- ++cs.line;
- if(!(vec = split(buffer, &n, SPLIT_COMMENTS|SPLIT_QUOTES,
- read_options_error, &cs)))
- continue;
- if(!n) continue;
- if((i = TABLE_FIND(options, struct option, name, vec[0])) == -1) {
- error(0, "%s:%d: unknown option '%s'", cs.name, cs.line, vec[0]);
- continue;
- }
- ++vec;
- --n;
- if(n < options[i].minargs) {
- error(0, "%s:%d: too few arguments to '%s'", cs.name, cs.line, vec[-1]);
- continue;
- }
- if(n > options[i].maxargs) {
- error(0, "%s:%d: too many arguments to '%s'", cs.name, cs.line, vec[-1]);
- continue;
- }
- options[i].handler(n, vec);
- }
- fclose(fp);
- }
-
- static void read_options(void) {
- if(!have_read_options) {
- have_read_options = 1;
- include_options("options");
- }
- }
-
- const char *cgi_label(const char *key) {
- const char *label;
-
- read_options();
- if(!(label = kvp_get(labels, key))) {
- /* No label found */
- if(!strncmp(key, "images.", 7)) {
- static const char *url_static;
- /* images.X defaults to <url.static>X.png */
-
- if(!url_static)
- url_static = cgi_label("url.static");
- byte_xasprintf((char **)&label, "%s%s.png", url_static, key + 7);
- } else if((label = strchr(key, '.')))
- /* X.Y defaults to Y */
- ++label;
- else
- /* otherwise default to label name */
- label = key;
- }
- return label;
- }
-
- int cgi_label_exists(const char *key) {
- read_options();
- return kvp_get(labels, key) ? 1 : 0;
- }
-
- char **cgi_columns(const char *name, int *ncolumns) {
- struct column *c;
-
- read_options();
- for(c = columns; c && strcmp(name, c->name); c = c->next)
- ;
- if(c) {
- if(ncolumns)
- *ncolumns = c->ncolumns;
- return c->columns;
- } else {
- if(ncolumns)
- *ncolumns = 0;
- return 0;
- }
--}
--
--/*
--Local Variables:
--c-basic-offset:2
--comment-column:40
--End:
--*/
+++ /dev/null
- /*
- * This file is part of DisOrder.
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- */
-
- #include <config.h>
- #include "types.h"
--
--#include <stdio.h>
--#include <errno.h>
--#include <sys/types.h>
--#include <sys/socket.h>
--#include <stddef.h>
--#include <stdlib.h>
--#include <time.h>
--#include <unistd.h>
--#include <string.h>
--#include <sys/wait.h>
--#include <pcre.h>
--#include <assert.h>
--
--#include "client.h"
--#include "mem.h"
--#include "vector.h"
--#include "sink.h"
- #include "cgi.h"
-#include "server-cgi.h"
--#include "log.h"
--#include "configuration.h"
--#include "table.h"
--#include "queue.h"
--#include "plugin.h"
--#include "split.h"
--#include "wstat.h"
--#include "kvp.h"
--#include "syscalls.h"
--#include "printf.h"
--#include "regsub.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,
- dcgi_state *ds);
- static void expandstring(cgi_sink *output,
- const char *string,
- dcgi_state *ds);
--
--struct entry {
-- const char *path;
-- const char *sort;
-- const char *display;
--};
-
- static const char nonce_base64_table[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-/*";
-
- static const char *nonce(void) {
- 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) {
-- const struct entry *ea = a, *eb = b;
--
-- return compare_tracks(ea->sort, eb->sort,
-- ea->display, eb->display,
-- ea->path, eb->path);
--}
--
--static const char *front_url(void) {
-- char *url;
-- const char *mgmt;
--
-- /* preserve management interface visibility */
-- if((mgmt = cgi_get("mgmt")) && !strcmp(mgmt, "true")) {
-- byte_xasprintf(&url, "%s?mgmt=true", config->url);
-- return url;
-- }
-- 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;
--
-- back = cgi_get("back");
-- cgi_header(output, "Location", back && *back ? back : front_url());
-- header_cookie(output);
-- cgi_body(output);
--}
--
--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);
- }
-
- static void lookups(dcgi_state *ds, unsigned want) {
- unsigned need;
- struct queue_entry *r, *rnext;
- const char *dir, *re;
- char *rights;
-
- 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;
- }
- if(need & DC_RIGHTS) {
- ds->g->rights = RIGHT_READ; /* fail-safe */
- if(!disorder_userinfo(ds->g->client, disorder_user(ds->g->client),
- "rights", &rights))
- parse_rights(rights, &ds->g->rights, 1);
- }
- ds->g->flags |= need;
- }
- }
-
- /* actions ********************************************************************/
-
- static void act_disable(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_disable(ds->g->client);
- redirect(output->sink);
- }
-
- static void act_enable(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_enable(ds->g->client);
- redirect(output->sink);
- }
-
- static void act_random_disable(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_random_disable(ds->g->client);
- redirect(output->sink);
- }
-
- static void act_random_enable(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_random_enable(ds->g->client);
- redirect(output->sink);
- }
-
- static void act_remove(cgi_sink *output,
- dcgi_state *ds) {
- const char *id;
-
- if(!(id = cgi_get("id"))) fatal(0, "missing id argument");
- if(ds->g->client)
- disorder_remove(ds->g->client, id);
- redirect(output->sink);
- }
-
- static void act_move(cgi_sink *output,
- dcgi_state *ds) {
- const char *id, *delta;
-
- if(!(id = cgi_get("id"))) fatal(0, "missing id argument");
- if(!(delta = cgi_get("delta"))) fatal(0, "missing delta argument");
- if(ds->g->client)
- disorder_move(ds->g->client, id, atoi(delta));
- redirect(output->sink);
- }
-
- static void act_scratch(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_scratch(ds->g->client, cgi_get("id"));
- redirect(output->sink);
- }
-
- static void act_playing(cgi_sink *output, dcgi_state *ds) {
- char r[1024];
- long refresh = config->refresh, length;
- time_t now, fin;
- int random_enabled = 0;
- int enabled = 0;
-
- lookups(ds, DC_PLAYING|DC_QUEUE);
- cgi_header(output->sink, "Content-Type", "text/html");
- disorder_random_enabled(ds->g->client, &random_enabled);
- disorder_enabled(ds->g->client, &enabled);
- if(ds->g->playing
- && ds->g->playing->state == playing_started /* i.e. not paused */
- && !disorder_length(ds->g->client, ds->g->playing->track, &length)
- && length
- && ds->g->playing->sofar >= 0) {
- /* Try to put the next refresh at the start of the next track. */
- time(&now);
- fin = now + length - ds->g->playing->sofar + config->gap;
- if(now + refresh > fin)
- refresh = fin - now;
- }
- if(ds->g->queue && ds->g->queue->state == playing_isscratch) {
- /* next track is a scratch, don't leave more than the inter-track gap */
- if(refresh > config->gap)
- refresh = config->gap;
- }
- if(!ds->g->playing && ((ds->g->queue
- && ds->g->queue->state != playing_random)
- || random_enabled) && enabled) {
- /* no track playing but playing is enabled and there is something coming
- * up, must be in a gap */
- if(refresh > config->gap)
- refresh = config->gap;
- }
- 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);
- }
-
- static void act_play(cgi_sink *output,
- dcgi_state *ds) {
- const char *track, *dir;
- char **tracks;
- int ntracks, n;
- struct entry *e;
-
- if((track = cgi_get("file"))) {
- disorder_play(ds->g->client, track);
- } else if((dir = cgi_get("directory"))) {
- if(disorder_files(ds->g->client, dir, 0, &tracks, &ntracks)) ntracks = 0;
- if(ntracks) {
- e = xmalloc(ntracks * sizeof (struct entry));
- for(n = 0; n < ntracks; ++n) {
- e[n].path = tracks[n];
- e[n].sort = trackname_transform("track", tracks[n], "sort");
- e[n].display = trackname_transform("track", tracks[n], "display");
- }
- qsort(e, ntracks, sizeof (struct entry), compare_entry);
- for(n = 0; n < ntracks; ++n)
- disorder_play(ds->g->client, e[n].path);
- }
- }
- /* XXX error handling */
- redirect(output->sink);
- }
-
- static int clamp(int n, int min, int max) {
- if(n < min)
- return min;
- if(n > max)
- return max;
- return n;
- }
-
- static const char *volume_url(void) {
- char *url;
-
- byte_xasprintf(&url, "%s?action=volume", config->url);
- return url;
- }
-
- static void act_volume(cgi_sink *output, dcgi_state *ds) {
- const char *l, *r, *d, *back;
- int nd, changed = 0;;
-
- if((d = cgi_get("delta"))) {
- lookups(ds, DC_VOLUME);
- nd = clamp(atoi(d), -255, 255);
- disorder_set_volume(ds->g->client,
- clamp(ds->g->volume_left + nd, 0, 255),
- clamp(ds->g->volume_right + nd, 0, 255));
- changed = 1;
- } else if((l = cgi_get("left")) && (r = cgi_get("right"))) {
- disorder_set_volume(ds->g->client, atoi(l), atoi(r));
- changed = 1;
- }
- if(changed) {
- /* redirect back to ourselves (but without the volume-changing bits in the
- * 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);
- }
- }
-
- static void act_prefs_errors(const char *msg,
- void attribute((unused)) *u) {
- fatal(0, "error splitting parts list: %s", msg);
- }
-
- static const char *numbered_arg(const char *argname, int numfile) {
- char *fullname;
-
- byte_xasprintf(&fullname, "%d_%s", numfile, argname);
- return cgi_get(fullname);
- }
-
- static void process_prefs(dcgi_state *ds, int numfile) {
- const char *file, *name, *value, *part, *parts, *current, *context;
- char **partslist;
-
- if(!(file = numbered_arg("file", numfile)))
- /* The first file doesn't need numbering. */
- if(numfile > 0 || !(file = cgi_get("file")))
- return;
- if((parts = numbered_arg("parts", numfile))
- || (parts = cgi_get("parts"))) {
- /* Default context is display. Other contexts not actually tested. */
- if(!(context = numbered_arg("context", numfile))) context = "display";
- partslist = split(parts, 0, 0, act_prefs_errors, 0);
- while((part = *partslist++)) {
- if(!(value = numbered_arg(part, numfile)))
- continue;
- /* If it's already right (whether regexps or db) don't change anything,
- * so we don't fill the database up with rubbish. */
- if(disorder_part(ds->g->client, (char **)¤t,
- file, context, part))
- fatal(0, "disorder_part() failed");
- if(!strcmp(current, value))
- continue;
- byte_xasprintf((char **)&name, "trackname_%s_%s", context, part);
- disorder_set(ds->g->client, file, name, value);
- }
- if((value = numbered_arg("random", numfile)))
- 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))) {
- 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");
- if(value)
- disorder_set(ds->g->client, file, name, value);
- else
- disorder_unset(ds->g->client, file, name);
- }
- }
-
- static void act_prefs(cgi_sink *output, dcgi_state *ds) {
- const char *files;
- int nfiles, numfile;
-
- if((files = cgi_get("files"))) nfiles = atoi(files);
- else nfiles = 1;
- 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);
- }
-
- static void act_pause(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_pause(ds->g->client);
- redirect(output->sink);
- }
-
- static void act_resume(cgi_sink *output,
- dcgi_state *ds) {
- if(ds->g->client)
- disorder_resume(ds->g->client);
- 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 },
- { "playing", act_playing },
- { "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 },
- { "volume", act_volume },
- };
--
--/* 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_short_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,
- void attribute((unused)) *u) {
- cgi_output(output, "%s", cgi_label(args[0]));
- }
--
--struct trackinfo_state {
-- dcgi_state *ds;
-- const struct queue_entry *q;
-- long length;
-- 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;
--};
--
--static int compare_result(const void *a, const void *b) {
-- const struct result *ra = a, *rb = b;
-- int c;
--
-- if(!(c = strcmp(ra->sort, rb->sort)))
-- c = strcmp(ra->track, rb->track);
-- return c;
- }
-
- static void exp_search(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u, substate;
- char **tracks;
- const char *q, *context, *part, *template;
- int ntracks, n, m;
- struct result *r;
-
- switch(nargs) {
- case 2:
- part = args[0];
- context = "sort";
- template = args[1];
- break;
- case 3:
- part = args[0];
- context = args[1];
- template = args[2];
- break;
- default:
- assert(!"should never happen");
- part = context = template = 0; /* quieten compiler */
- }
- if(ds->tracks == 0) {
- /* we are the top level, let's get some search results */
- if(!(q = cgi_get("query"))) return; /* no results yet */
- if(disorder_search(ds->g->client, q, &tracks, &ntracks)) return;
- if(!ntracks) return;
- } else {
- tracks = ds->tracks;
- ntracks = ds->ntracks;
- }
- assert(ntracks != 0);
- /* sort tracks by the appropriate part */
- r = xmalloc(ntracks * sizeof *r);
- for(n = 0; n < ntracks; ++n) {
- r[n].track = tracks[n];
- if(disorder_part(ds->g->client, (char **)&r[n].sort,
- tracks[n], context, part))
- fatal(0, "disorder_part() failed");
- }
- qsort(r, ntracks, sizeof (struct result), compare_result);
- /* expand the 2nd arg once for each group. We re-use the passed-in tracks
- * array as we know it's guaranteed to be big enough and isn't going to be
- * used for anything else any more. */
- memset(&substate, 0, sizeof substate);
- substate.g = ds->g;
- substate.first = 1;
- n = 0;
- while(n < ntracks) {
- substate.tracks = tracks;
- substate.ntracks = 0;
- m = n;
- while(m < ntracks
- && !strcmp(r[m].sort, r[n].sort))
- tracks[substate.ntracks++] = r[m++].track;
- substate.last = (m == ntracks);
- expandstring(output, template, &substate);
- substate.index++;
- substate.first = 0;
- n = m;
- }
- 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,
-- void *u) {
-- dcgi_state *ds = u;
-- char **v;
--
-- cgi_opentag(output->sink, "pre", "class", "stats", (char *)0);
-- if(!disorder_stats(ds->g->client, &v, 0)) {
-- while(*v)
-- cgi_output(output, "%s\n", *v++);
-- }
-- 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;
--
-- dynstr_init(&d);
-- output.quote = 0;
-- output.sink = sink_dynstr(&d);
-- expandstring(&output, arg, ds);
-- dynstr_terminate(&d);
-- 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,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_FILES);
- sink_printf(output->sink, "%s", bool2str(!!ds->g->nfiles));
- }
-
- static void exp_isdirectories(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_DIRS);
- sink_printf(output->sink, "%s", bool2str(!!ds->g->ndirs));
- }
-
- static void exp_choose(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state substate;
- int nfiles, n;
- char **files;
- struct entry *e;
- const char *type, *what = expandarg(args[0], ds);
-
- if(!strcmp(what, "files")) {
- lookups(ds, DC_FILES);
- files = ds->g->files;
- nfiles = ds->g->nfiles;
- type = "track";
- } else if(!strcmp(what, "directories")) {
- lookups(ds, DC_DIRS);
- files = ds->g->dirs;
- nfiles = ds->g->ndirs;
- type = "dir";
- } else {
- error(0, "unknown @choose@ argument '%s'", what);
- return;
- }
- e = xmalloc(nfiles * sizeof (struct entry));
- for(n = 0; n < nfiles; ++n) {
- e[n].path = files[n];
- e[n].sort = trackname_transform(type, files[n], "sort");
- e[n].display = trackname_transform(type, files[n], "display");
- }
- qsort(e, nfiles, sizeof (struct entry), compare_entry);
- memset(&substate, 0, sizeof substate);
- substate.g = ds->g;
- substate.first = 1;
- for(n = 0; n < nfiles; ++n) {
- substate.last = (n == nfiles - 1);
- substate.index = n;
- substate.entry = &e[n];
- expandstring(output, args[1], &substate);
- substate.first = 0;
- }
- }
-
- static void exp_file(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
-
- if(ds->entry)
- cgi_output(output, "%s", ds->entry->path);
- else if(ds->track)
- cgi_output(output, "%s", ds->track->track);
- else if(ds->tracks)
- 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;
-
- lookups(ds, DC_PLAYING|DC_RIGHTS);
- sink_printf(output->sink, "%s",
- bool2str(right_scratchable(ds->g->rights,
- disorder_user(ds->g->client),
- ds->g->playing)));
- }
-
- static void exp_removable(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_RIGHTS);
- sink_printf(output->sink, "%s",
- bool2str(right_removable(ds->g->rights,
- disorder_user(ds->g->client),
- ds->track)));
- }
-
- static void exp_movable(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void attribute((unused)) *u) {
- dcgi_state *ds = u;
-
- lookups(ds, DC_RIGHTS);
- sink_printf(output->sink, "%s",
- bool2str(right_movable(ds->g->rights,
- disorder_user(ds->g->client),
- ds->track)));
--}
--
--static void exp_navigate(int attribute((unused)) nargs,
-- char **args,
-- cgi_sink *output,
-- void *u) {
-- dcgi_state *ds = u;
-- dcgi_state substate;
-- const char *path = expandarg(args[0], ds);
-- const char *ptr;
-- int dirlen;
--
-- if(*path) {
-- memset(&substate, 0, sizeof substate);
-- substate.g = ds->g;
-- ptr = path + 1; /* skip root */
-- dirlen = 0;
-- substate.nav_path = path;
-- substate.first = 1;
-- while(*ptr) {
-- while(*ptr && *ptr != '/')
-- ++ptr;
-- substate.last = !*ptr;
-- substate.nav_len = ptr - path;
-- substate.nav_dirlen = dirlen;
-- expandstring(output, args[1], &substate);
-- dirlen = substate.nav_len;
-- if(*ptr) ++ptr;
-- substate.first = 0;
-- }
-- }
--}
--
--static void exp_fullname(int attribute((unused)) nargs,
-- char attribute((unused)) **args,
-- cgi_sink *output,
-- void *u) {
-- dcgi_state *ds = u;
-- cgi_output(output, "%.*s", ds->nav_len, ds->nav_path);
- }
-
- static void exp_basename(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- const char *s;
-
- if(nargs) {
- if((s = strrchr(args[0], '/'))) ++s;
- else s = args[0];
- cgi_output(output, "%s", s);
- } else
- cgi_output(output, "%.*s", ds->nav_len - ds->nav_dirlen - 1,
- ds->nav_path + ds->nav_dirlen + 1);
- }
-
- static void exp_dirname(int nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *ds = u;
- const char *s;
-
- if(nargs) {
- if((s = strrchr(args[0], '/')))
- cgi_output(output, "%.*s", (int)(s - args[0]), args[0]);
- } else
- 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,
- void *u) {
- dcgi_state *ds = u;
- dcgi_state substate;
- const char *nfiles_arg, *directory;
- int nfiles, numfile;
- struct kvp *k;
-
- memset(&substate, 0, sizeof substate);
- substate.g = ds->g;
- if((directory = cgi_get("directory"))) {
- /* Prefs for whole directory. */
- lookups(ds, DC_FILES);
- /* Synthesize args for the file list. */
- nfiles = ds->g->nfiles;
- for(numfile = 0; numfile < nfiles; ++numfile) {
- k = xmalloc(sizeof *k);
- byte_xasprintf((char **)&k->name, "%d_file", numfile);
- k->value = ds->g->files[numfile];
- k->next = cgi_args;
- cgi_args = k;
- }
- } else {
- /* Args already present. */
- if((nfiles_arg = cgi_get("files"))) nfiles = atoi(nfiles_arg);
- else nfiles = 1;
- }
- for(numfile = 0; numfile < nfiles; ++numfile) {
- substate.index = numfile;
- expandstring(output, args[0], &substate);
- }
- }
-
- 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,
- void *u) {
- dcgi_state *ds = u;
- const char *files_arg;
-
- if(cgi_get("directory")) {
- lookups(ds, DC_FILES);
- cgi_output(output, "%d", ds->g->nfiles);
- } else if((files_arg = cgi_get("files")))
- cgi_output(output, "%s", files_arg);
- else
- cgi_output(output, "1");
- }
-
- static void exp_user(int attribute((unused)) nargs,
- char attribute((unused)) **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *const ds = u;
-
- cgi_output(output, "%s", disorder_user(ds->g->client));
- }
-
- static void exp_right(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *const ds = u;
- const char *right = expandarg(args[0], ds);
- rights_type r;
-
- lookups(ds, DC_RIGHTS);
- if(parse_rights(right, &r, 1/*report*/))
- r = 0;
- if(args[1] == 0)
- cgi_output(output, "%s", bool2str(!!(r & ds->g->rights)));
- else if(r & ds->g->rights)
- expandstring(output, args[1], ds);
- else if(args[2])
- expandstring(output, args[2], ds);
- }
-
- static void exp_userinfo(int attribute((unused)) nargs,
- char **args,
- cgi_sink *output,
- void *u) {
- dcgi_state *const ds = u;
- const char *value;
-
- if(disorder_userinfo(ds->g->client, disorder_user(ds->g->client), args[0],
- (char **)&value))
- value = "";
- cgi_output(output, "%s", value);
- }
-
- 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 },
- { "and", 0, INT_MAX, EXP_MAGIC, exp_and },
- { "arg", 1, 1, 0, exp_arg },
- { "basename", 0, 1, 0, exp_basename },
- { "choose", 2, 2, EXP_MAGIC, exp_choose },
- { "dirname", 0, 1, 0, exp_dirname },
- { "enabled", 0, 0, 0, exp_enabled },
- { "eq", 2, 2, 0, exp_eq },
- { "file", 0, 0, 0, exp_file },
- { "files", 1, 1, EXP_MAGIC, exp_files },
- { "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 },
- { "isfiles", 0, 0, 0, exp_isfiles },
- { "isfirst", 0, 0, 0, exp_isfirst },
- { "islast", 0, 0, 0, exp_islast },
- { "isnew", 0, 0, 0, exp_isnew },
- { "isplaying", 0, 0, 0, exp_isplaying },
- { "isqueue", 0, 0, 0, exp_isqueue },
- { "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 },
- { "nfiles", 0, 0, 0, exp_nfiles },
- { "nonce", 0, 0, 0, exp_nonce },
- { "not", 1, 1, 0, exp_not },
- { "or", 0, INT_MAX, EXP_MAGIC, exp_or },
- { "parity", 0, 0, 0, exp_parity },
- { "part", 1, 3, 0, exp_part },
- { "paused", 0, 0, 0, exp_paused },
- { "playing", 1, 1, EXP_MAGIC, exp_playing },
- { "pref", 2, 2, 0, exp_pref },
- { "prefname", 0, 0, 0, exp_prefname },
- { "prefs", 2, 2, EXP_MAGIC, exp_prefs },
- { "prefvalue", 0, 0, 0, exp_prefvalue },
- { "queue", 1, 1, EXP_MAGIC, exp_queue },
- { "random-enabled", 0, 0, 0, exp_random_enabled },
- { "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 },
- { "shell", 1, 1, 0, exp_shell },
- { "state", 0, 0, 0, exp_state },
- { "stats", 0, 0, 0, exp_stats },
- { "thisurl", 0, 0, 0, exp_thisurl },
- { "track", 0, 0, 0, exp_track },
- { "trackstate", 1, 1, 0, exp_trackstate },
- { "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 },
- { "who", 0, 0, 0, exp_who }
- };
-
- static void expand(cgi_sink *output,
- const char *template,
- dcgi_state *ds) {
- cgi_expand(template,
- expansions, sizeof expansions / sizeof *expansions,
- output,
- ds);
- }
-
- static void expandstring(cgi_sink *output,
- const char *string,
- dcgi_state *ds) {
- cgi_expand_string("",
- string,
- expansions, sizeof expansions / sizeof *expansions,
- output,
- ds);
- }
-
- static void perform_action(cgi_sink *output, dcgi_state *ds,
- 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
- expand_template(ds, output, action);
- }
-
- void disorder_cgi(cgi_sink *output, dcgi_state *ds) {
- const char *action = cgi_get("action");
-
- 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);
- }
-
- void disorder_cgi_error(cgi_sink *output, dcgi_state *ds,
- const char *msg) {
- cgi_set_option("error", msg);
- 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
--comment-column:40
--fill-column:79
--End:
--*/
~mdw / disorder / commitdiff