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review.linaro.org / infrastructure / cgit.git / 329381dfe45d37cb94847ee92ebe58f2d6c02a9d / . / ui-plain.c
blob: 3a2cb477ecd99e3ad317c0e72cfdbb98b34cb9d6 [file] [log] [blame]
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]1/* ui-plain.c: functions for output of plain blobs by path
2 *
Lukas Fleischerf7f26f82014-01-08 15:10:49 +0100[diff] [blame]3 * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
9#include "cgit.h"
John Keeping8f208792013-04-06 11:37:59 +0100[diff] [blame]10#include "ui-plain.h"
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]11#include "html.h"
12#include "ui-shared.h"
13
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]14struct walk_tree_context {
15 int match_baselen;
16 int match;
17};
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]18
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]19static char *get_mimetype_from_file(const char *filename, const char *ext)
20{
21 static const char *delimiters;
22 char *result;
23 FILE *fd;
24 char line[1024];
25 char *mimetype;
26 char *token;
27
28 if (!filename)
29 return NULL;
30
31 fd = fopen(filename, "r");
32 if (!fd)
33 return NULL;
34
35 delimiters = " \t\r\n";
36 result = NULL;
37
38 /* loop over all lines in the file */
39 while (!result && fgets(line, sizeof(line), fd)) {
40 mimetype = strtok(line, delimiters);
41
42 /* skip empty lines and comment lines */
43 if (!mimetype || (mimetype[0] == '#'))
44 continue;
45
46 /* loop over all extensions of mimetype */
47 while ((token = strtok(NULL, delimiters))) {
48 if (!strcasecmp(ext, token)) {
49 result = xstrdup(mimetype);
50 break;
51 }
52 }
53 }
54 fclose(fd);
55
56 return result;
57}
58
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]59static int print_object(const unsigned char *sha1, const char *path)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]60{
61 enum object_type type;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]62 char *buf, *ext;
Ramsay Jonesbdd4a562008-11-04 19:22:08 +0000[diff] [blame]63 unsigned long size;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]64 struct string_list_item *mime;
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]65 int freemime;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]66
67 type = sha1_object_info(sha1, &size);
68 if (type == OBJ_BAD) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]69 html_status(404, "Not found", 0);
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]70 return 0;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]71 }
72
73 buf = read_sha1_file(sha1, &type, &size);
74 if (!buf) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]75 html_status(404, "Not found", 0);
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]76 return 0;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]77 }
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]78 ctx.page.mimetype = NULL;
79 ext = strrchr(path, '.');
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]80 freemime = 0;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]81 if (ext && *(++ext)) {
Lars Hjemli6d7552b2010-08-22 13:29:57 +0200[diff] [blame]82 mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]83 if (mime) {
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]84 ctx.page.mimetype = (char *)mime->util;
John Keeping407f71c2013-10-06 12:14:41 +0100[diff] [blame]85 ctx.page.charset = NULL;
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]86 } else {
87 ctx.page.mimetype = get_mimetype_from_file(ctx.cfg.mimetype_file, ext);
John Keeping407f71c2013-10-06 12:14:41 +0100[diff] [blame]88 if (ctx.page.mimetype) {
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]89 freemime = 1;
John Keeping407f71c2013-10-06 12:14:41 +0100[diff] [blame]90 ctx.page.charset = NULL;
91 }
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]92 }
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]93 }
94 if (!ctx.page.mimetype) {
John Keeping407f71c2013-10-06 12:14:41 +0100[diff] [blame]95 if (buffer_is_binary(buf, size)) {
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]96 ctx.page.mimetype = "application/octet-stream";
John Keeping407f71c2013-10-06 12:14:41 +0100[diff] [blame]97 ctx.page.charset = NULL;
98 } else {
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]99 ctx.page.mimetype = "text/plain";
John Keeping407f71c2013-10-06 12:14:41 +0100[diff] [blame]100 }
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]101 }
John Keeping42d54762013-04-06 10:49:22 +0100[diff] [blame]102 ctx.page.filename = path;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]103 ctx.page.size = size;
Lars Hjemli488a2142009-02-19 22:38:36 +0100[diff] [blame]104 ctx.page.etag = sha1_to_hex(sha1);
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100[diff] [blame]105 cgit_print_http_headers();
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]106 html_raw(buf, size);
John Keeping57d09bf2013-04-07 12:46:45 +0100[diff] [blame]107 /* If we allocated this, then casting away const is safe. */
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]108 if (freemime)
John Keeping57d09bf2013-04-07 12:46:45 +0100[diff] [blame]109 free((char*) ctx.page.mimetype);
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]110 return 1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]111}
112
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]113static char *buildpath(const char *base, int baselen, const char *path)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]114{
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]115 if (path[0])
John Keepingfb3655d2013-04-06 10:28:57 +0100[diff] [blame]116 return fmtalloc("%.*s%s/", baselen, base, path);
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]117 else
John Keepingfb3655d2013-04-06 10:28:57 +0100[diff] [blame]118 return fmtalloc("%.*s/", baselen, base);
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]119}
120
121static void print_dir(const unsigned char *sha1, const char *base,
122 int baselen, const char *path)
123{
124 char *fullpath, *slash;
125 size_t len;
126
127 fullpath = buildpath(base, baselen, path);
128 slash = (fullpath[0] == '/' ? "" : "/");
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]129 ctx.page.etag = sha1_to_hex(sha1);
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100[diff] [blame]130 cgit_print_http_headers();
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]131 htmlf("<html><head><title>%s", slash);
132 html_txt(fullpath);
133 htmlf("</title></head>\n<body>\n<h2>%s", slash);
134 html_txt(fullpath);
135 html("</h2>\n<ul>\n");
136 len = strlen(fullpath);
137 if (len > 1) {
138 fullpath[len - 1] = 0;
139 slash = strrchr(fullpath, '/');
140 if (slash)
141 *(slash + 1) = 0;
142 else
143 fullpath = NULL;
144 html("<li>");
145 cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
146 fullpath);
147 html("</li>\n");
148 }
John Keepingfb3655d2013-04-06 10:28:57 +0100[diff] [blame]149 free(fullpath);
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]150}
151
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]152static void print_dir_entry(const unsigned char *sha1, const char *base,
153 int baselen, const char *path, unsigned mode)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]154{
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]155 char *fullpath;
156
157 fullpath = buildpath(base, baselen, path);
Lars Hjemli74218572011-06-15 10:10:41 +0200[diff] [blame]158 if (!S_ISDIR(mode) && !S_ISGITLINK(mode))
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]159 fullpath[strlen(fullpath) - 1] = 0;
160 html(" <li>");
Lars Hjemli74218572011-06-15 10:10:41 +0200[diff] [blame]161 if (S_ISGITLINK(mode)) {
162 cgit_submodule_link(NULL, fullpath, sha1_to_hex(sha1));
163 } else
164 cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
165 fullpath);
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]166 html("</li>\n");
John Keepingfb3655d2013-04-06 10:28:57 +0100[diff] [blame]167 free(fullpath);
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]168}
169
170static void print_dir_tail(void)
171{
172 html(" </ul>\n</body></html>\n");
173}
174
Christian Hesse7358f632015-02-07 14:18:28 +0100[diff] [blame]175static int walk_tree(const unsigned char *sha1, struct strbuf *base,
176 const char *pathname, unsigned mode, int stage, void *cbdata)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]177{
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]178 struct walk_tree_context *walk_tree_ctx = cbdata;
179
Christian Hesse7358f632015-02-07 14:18:28 +0100[diff] [blame]180 if (base->len == walk_tree_ctx->match_baselen) {
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]181 if (S_ISREG(mode)) {
182 if (print_object(sha1, pathname))
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]183 walk_tree_ctx->match = 1;
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]184 } else if (S_ISDIR(mode)) {
Christian Hesse7358f632015-02-07 14:18:28 +0100[diff] [blame]185 print_dir(sha1, base->buf, base->len, pathname);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]186 walk_tree_ctx->match = 2;
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]187 return READ_TREE_RECURSIVE;
188 }
Christian Hesse7358f632015-02-07 14:18:28 +0100[diff] [blame]189 } else if (base->len > walk_tree_ctx->match_baselen) {
190 print_dir_entry(sha1, base->buf, base->len, pathname, mode);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]191 walk_tree_ctx->match = 2;
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]192 } else if (S_ISDIR(mode)) {
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]193 return READ_TREE_RECURSIVE;
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]194 }
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]195
Mark Lodato74ebf822010-01-31 01:07:41 -0500[diff] [blame]196 return 0;
197}
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]198
Mark Lodato74ebf822010-01-31 01:07:41 -0500[diff] [blame]199static int basedir_len(const char *path)
200{
201 char *p = strrchr(path, '/');
202 if (p)
203 return p - path + 1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]204 return 0;
205}
206
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100[diff] [blame]207void cgit_print_plain(void)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]208{
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100[diff] [blame]209 const char *rev = ctx.qry.sha1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]210 unsigned char sha1[20];
211 struct commit *commit;
John Keepingc1633c62013-03-02 12:32:11 +0000[diff] [blame]212 struct pathspec_item path_items = {
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100[diff] [blame]213 .match = ctx.qry.path,
214 .len = ctx.qry.path ? strlen(ctx.qry.path) : 0
John Keepingc1633c62013-03-02 12:32:11 +0000[diff] [blame]215 };
216 struct pathspec paths = {
217 .nr = 1,
218 .items = &path_items
219 };
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]220 struct walk_tree_context walk_tree_ctx = {
221 .match = 0
222 };
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]223
224 if (!rev)
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100[diff] [blame]225 rev = ctx.qry.head;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]226
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]227 if (get_sha1(rev, sha1)) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]228 html_status(404, "Not found", 0);
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]229 return;
230 }
231 commit = lookup_commit_reference(sha1);
232 if (!commit || parse_commit(commit)) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]233 html_status(404, "Not found", 0);
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]234 return;
235 }
John Keepingc1633c62013-03-02 12:32:11 +0000[diff] [blame]236 if (!path_items.match) {
237 path_items.match = "";
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]238 walk_tree_ctx.match_baselen = -1;
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]239 print_dir(commit->tree->object.sha1, "", 0, "");
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]240 walk_tree_ctx.match = 2;
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]241 }
242 else
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]243 walk_tree_ctx.match_baselen = basedir_len(path_items.match);
244 read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
245 if (!walk_tree_ctx.match)
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]246 html_status(404, "Not found", 0);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]247 else if (walk_tree_ctx.match == 2)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]248 print_dir_tail();
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]249}