1/* cmd.c: the cgit command dispatcher
  2 *
  3 * Copyright (C) 2006-2017 cgit Development Team <cgit@lists.zx2c4.com>
  4 *
  5 * Licensed under GNU General Public License v2
  6 *   (see COPYING for full license text)
  7 */
  8
  9#include "cgit.h"
 10#include "cmd.h"
 11#include "cache.h"
 12#include "ui-shared.h"
 13#include "ui-atom.h"
 14#include "ui-blame.h"
 15#include "ui-blob.h"
 16#include "ui-clone.h"
 17#include "ui-commit.h"
 18#include "ui-diff.h"
 19#include "ui-log.h"
 20#include "ui-patch.h"
 21#include "ui-plain.h"
 22#include "ui-refs.h"
 23#include "ui-repolist.h"
 24#include "ui-snapshot.h"
 25#include "ui-stats.h"
 26#include "ui-summary.h"
 27#include "ui-tag.h"
 28#include "ui-tree.h"
 29
 30static void HEAD_fn(void)
 31{
 32	cgit_clone_head();
 33}
 34
 35static void atom_fn(void)
 36{
 37	cgit_print_atom(ctx.qry.head, ctx.qry.path, ctx.cfg.max_atom_items);
 38}
 39
 40static void about_fn(void)
 41{
 42	if (ctx.repo) {
 43		size_t path_info_len = ctx.env.path_info ? strlen(ctx.env.path_info) : 0;
 44		if (!ctx.qry.path &&
 45		    ctx.qry.url[strlen(ctx.qry.url) - 1] != '/' &&
 46		    (!path_info_len || ctx.env.path_info[path_info_len - 1] != '/')) {
 47			char *currenturl = cgit_currenturl();
 48			char *redirect = fmtalloc("%s/", currenturl);
 49			cgit_redirect(redirect, true);
 50			free(currenturl);
 51			free(redirect);
 52		} else if (ctx.repo->readme.nr)
 53			cgit_print_repo_readme(ctx.qry.path);
 54		else if (ctx.repo->homepage)
 55			cgit_redirect(ctx.repo->homepage, false);
 56		else {
 57			char *currenturl = cgit_currenturl();
 58			char *redirect = fmtalloc("%s../", currenturl);
 59			cgit_redirect(redirect, false);
 60			free(currenturl);
 61			free(redirect);
 62		}
 63	} else
 64		cgit_print_site_readme();
 65}
 66
 67static void blame_fn(void)
 68{
 69	if (ctx.repo->enable_blame)
 70		cgit_print_blame();
 71	else
 72		cgit_print_error_page(403, "Forbidden", "Blame is disabled");
 73}
 74
 75static void blob_fn(void)
 76{
 77	cgit_print_blob(ctx.qry.oid, ctx.qry.path, ctx.qry.head, 0);
 78}
 79
 80static void commit_fn(void)
 81{
 82	cgit_print_commit(ctx.qry.oid, ctx.qry.path);
 83}
 84
 85static void diff_fn(void)
 86{
 87	cgit_print_diff(ctx.qry.oid, ctx.qry.oid2, ctx.qry.path, 1, 0);
 88}
 89
 90static void rawdiff_fn(void)
 91{
 92	cgit_print_diff(ctx.qry.oid, ctx.qry.oid2, ctx.qry.path, 1, 1);
 93}
 94
 95static void info_fn(void)
 96{
 97	cgit_clone_info();
 98}
 99
100static void log_fn(void)
101{
102	cgit_print_log(ctx.qry.oid, ctx.qry.ofs, ctx.cfg.max_commit_count,
103		       ctx.qry.grep, ctx.qry.search, ctx.qry.path, 1,
104		       ctx.repo->enable_commit_graph,
105		       ctx.repo->commit_sort);
106}
107
108static void ls_cache_fn(void)
109{
110	ctx.page.mimetype = "text/plain";
111	ctx.page.filename = "ls-cache.txt";
112	cgit_print_http_headers();
113	cache_ls(ctx.cfg.cache_root);
114}
115
116static void objects_fn(void)
117{
118	cgit_clone_objects();
119}
120
121static void repolist_fn(void)
122{
123	cgit_print_repolist();
124}
125
126static void patch_fn(void)
127{
128	cgit_print_patch(ctx.qry.oid, ctx.qry.oid2, ctx.qry.path);
129}
130
131static void plain_fn(void)
132{
133	cgit_print_plain();
134}
135
136static void refs_fn(void)
137{
138	cgit_print_refs();
139}
140
141static void snapshot_fn(void)
142{
143	cgit_print_snapshot(ctx.qry.head, ctx.qry.oid, ctx.qry.path,
144			    ctx.qry.nohead);
145}
146
147static void stats_fn(void)
148{
149	cgit_show_stats();
150}
151
152static void summary_fn(void)
153{
154	cgit_print_summary();
155}
156
157static void tag_fn(void)
158{
159	cgit_print_tag(ctx.qry.oid);
160}
161
162static void tree_fn(void)
163{
164	cgit_print_tree(ctx.qry.oid, ctx.qry.path);
165}
166
167#define def_cmd(name, want_repo, want_vpath, is_clone) \
168	{#name, name##_fn, want_repo, want_vpath, is_clone}
169
170struct cgit_cmd *cgit_get_cmd(void)
171{
172	static struct cgit_cmd cmds[] = {
173		def_cmd(HEAD, 1, 0, 1),
174		def_cmd(atom, 1, 0, 0),
175		def_cmd(about, 0, 0, 0),
176		def_cmd(blame, 1, 1, 0),
177		def_cmd(blob, 1, 0, 0),
178		def_cmd(commit, 1, 1, 0),
179		def_cmd(diff, 1, 1, 0),
180		def_cmd(info, 1, 0, 1),
181		def_cmd(log, 1, 1, 0),
182		def_cmd(ls_cache, 0, 0, 0),
183		def_cmd(objects, 1, 0, 1),
184		def_cmd(patch, 1, 1, 0),
185		def_cmd(plain, 1, 0, 0),
186		def_cmd(rawdiff, 1, 1, 0),
187		def_cmd(refs, 1, 0, 0),
188		def_cmd(repolist, 0, 0, 0),
189		def_cmd(snapshot, 1, 0, 0),
190		def_cmd(stats, 1, 1, 0),
191		def_cmd(summary, 1, 0, 0),
192		def_cmd(tag, 1, 0, 0),
193		def_cmd(tree, 1, 1, 0),
194	};
195	int i;
196
197	if (ctx.qry.page == NULL) {
198		if (ctx.repo)
199			ctx.qry.page = "summary";
200		else
201			ctx.qry.page = "repolist";
202	}
203
204	for (i = 0; i < sizeof(cmds)/sizeof(*cmds); i++)
205		if (!strcmp(ctx.qry.page, cmds[i].name))
206			return &cmds[i];
207	return NULL;
208}