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review.linaro.org / infrastructure / cgit.git / 8f208794318f83826e98168b8b430f2d9a68bcce / . / ui-plain.c
blob: 4397a59e3809da6cf71c84ddd5b2c7d3afe94b2e [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 *
3 * Copyright (C) 2008 Lars Hjemli
4 *
5 * Licensed under GNU General Public License v2
6 * (see COPYING for full license text)
7 */
8
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]9#include <stdio.h>
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]10#include "cgit.h"
John Keeping8f208792013-04-06 11:37:59 +0100[diff] [blame^]11#include "ui-plain.h"
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]12#include "html.h"
13#include "ui-shared.h"
14
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]15struct walk_tree_context {
16 int match_baselen;
17 int match;
18};
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]19
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]20static char *get_mimetype_from_file(const char *filename, const char *ext)
21{
22 static const char *delimiters;
23 char *result;
24 FILE *fd;
25 char line[1024];
26 char *mimetype;
27 char *token;
28
29 if (!filename)
30 return NULL;
31
32 fd = fopen(filename, "r");
33 if (!fd)
34 return NULL;
35
36 delimiters = " \t\r\n";
37 result = NULL;
38
39 /* loop over all lines in the file */
40 while (!result && fgets(line, sizeof(line), fd)) {
41 mimetype = strtok(line, delimiters);
42
43 /* skip empty lines and comment lines */
44 if (!mimetype || (mimetype[0] == '#'))
45 continue;
46
47 /* loop over all extensions of mimetype */
48 while ((token = strtok(NULL, delimiters))) {
49 if (!strcasecmp(ext, token)) {
50 result = xstrdup(mimetype);
51 break;
52 }
53 }
54 }
55 fclose(fd);
56
57 return result;
58}
59
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]60static int print_object(const unsigned char *sha1, const char *path)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]61{
62 enum object_type type;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]63 char *buf, *ext;
Ramsay Jonesbdd4a562008-11-04 19:22:08 +0000[diff] [blame]64 unsigned long size;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]65 struct string_list_item *mime;
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]66 int freemime;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]67
68 type = sha1_object_info(sha1, &size);
69 if (type == OBJ_BAD) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]70 html_status(404, "Not found", 0);
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]71 return 0;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]72 }
73
74 buf = read_sha1_file(sha1, &type, &size);
75 if (!buf) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]76 html_status(404, "Not found", 0);
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]77 return 0;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]78 }
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]79 ctx.page.mimetype = NULL;
80 ext = strrchr(path, '.');
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]81 freemime = 0;
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]82 if (ext && *(++ext)) {
Lars Hjemli6d7552b2010-08-22 13:29:57 +0200[diff] [blame]83 mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]84 if (mime) {
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]85 ctx.page.mimetype = (char *)mime->util;
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);
88 if (ctx.page.mimetype)
89 freemime = 1;
90 }
Lars Hjemlic4d46c72009-02-13 20:43:30 +0100[diff] [blame]91 }
92 if (!ctx.page.mimetype) {
93 if (buffer_is_binary(buf, size))
94 ctx.page.mimetype = "application/octet-stream";
95 else
96 ctx.page.mimetype = "text/plain";
97 }
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]98 ctx.page.filename = fmt("%s", path);
99 ctx.page.size = size;
Lars Hjemli488a2142009-02-19 22:38:36 +0100[diff] [blame]100 ctx.page.etag = sha1_to_hex(sha1);
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]101 cgit_print_http_headers(&ctx);
102 html_raw(buf, size);
Ferry Hubertsd01c6002011-07-19 10:51:58 +0200[diff] [blame]103 if (freemime)
104 free(ctx.page.mimetype);
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]105 return 1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]106}
107
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]108static char *buildpath(const char *base, int baselen, const char *path)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]109{
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]110 if (path[0])
111 return fmt("%.*s%s/", baselen, base, path);
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]112 else
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]113 return fmt("%.*s/", baselen, base);
114}
115
116static void print_dir(const unsigned char *sha1, const char *base,
117 int baselen, const char *path)
118{
119 char *fullpath, *slash;
120 size_t len;
121
122 fullpath = buildpath(base, baselen, path);
123 slash = (fullpath[0] == '/' ? "" : "/");
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]124 ctx.page.etag = sha1_to_hex(sha1);
125 cgit_print_http_headers(&ctx);
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]126 htmlf("<html><head><title>%s", slash);
127 html_txt(fullpath);
128 htmlf("</title></head>\n<body>\n<h2>%s", slash);
129 html_txt(fullpath);
130 html("</h2>\n<ul>\n");
131 len = strlen(fullpath);
132 if (len > 1) {
133 fullpath[len - 1] = 0;
134 slash = strrchr(fullpath, '/');
135 if (slash)
136 *(slash + 1) = 0;
137 else
138 fullpath = NULL;
139 html("<li>");
140 cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
141 fullpath);
142 html("</li>\n");
143 }
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]144}
145
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]146static void print_dir_entry(const unsigned char *sha1, const char *base,
147 int baselen, const char *path, unsigned mode)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]148{
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]149 char *fullpath;
150
151 fullpath = buildpath(base, baselen, path);
Lars Hjemli74218572011-06-15 10:10:41 +0200[diff] [blame]152 if (!S_ISDIR(mode) && !S_ISGITLINK(mode))
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]153 fullpath[strlen(fullpath) - 1] = 0;
154 html(" <li>");
Lars Hjemli74218572011-06-15 10:10:41 +0200[diff] [blame]155 if (S_ISGITLINK(mode)) {
156 cgit_submodule_link(NULL, fullpath, sha1_to_hex(sha1));
157 } else
158 cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
159 fullpath);
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]160 html("</li>\n");
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]161}
162
163static void print_dir_tail(void)
164{
165 html(" </ul>\n</body></html>\n");
166}
167
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]168static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
169 const char *pathname, unsigned mode, int stage,
170 void *cbdata)
171{
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]172 struct walk_tree_context *walk_tree_ctx = cbdata;
173
174 if (baselen == walk_tree_ctx->match_baselen) {
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]175 if (S_ISREG(mode)) {
176 if (print_object(sha1, pathname))
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]177 walk_tree_ctx->match = 1;
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]178 } else if (S_ISDIR(mode)) {
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]179 print_dir(sha1, base, baselen, pathname);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]180 walk_tree_ctx->match = 2;
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]181 return READ_TREE_RECURSIVE;
182 }
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]183 } else if (baselen > walk_tree_ctx->match_baselen) {
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]184 print_dir_entry(sha1, base, baselen, pathname, mode);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]185 walk_tree_ctx->match = 2;
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]186 } else if (S_ISDIR(mode)) {
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]187 return READ_TREE_RECURSIVE;
Lukas Fleischera6317502013-03-03 17:10:19 +0100[diff] [blame]188 }
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]189
Mark Lodato74ebf822010-01-31 01:07:41 -0500[diff] [blame]190 return 0;
191}
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]192
Mark Lodato74ebf822010-01-31 01:07:41 -0500[diff] [blame]193static int basedir_len(const char *path)
194{
195 char *p = strrchr(path, '/');
196 if (p)
197 return p - path + 1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]198 return 0;
199}
200
201void cgit_print_plain(struct cgit_context *ctx)
202{
203 const char *rev = ctx->qry.sha1;
204 unsigned char sha1[20];
205 struct commit *commit;
John Keepingc1633c62013-03-02 12:32:11 +0000[diff] [blame]206 struct pathspec_item path_items = {
207 .match = ctx->qry.path,
208 .len = ctx->qry.path ? strlen(ctx->qry.path) : 0
209 };
210 struct pathspec paths = {
211 .nr = 1,
212 .items = &path_items
213 };
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]214 struct walk_tree_context walk_tree_ctx = {
215 .match = 0
216 };
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]217
218 if (!rev)
219 rev = ctx->qry.head;
220
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]221 if (get_sha1(rev, sha1)) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]222 html_status(404, "Not found", 0);
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]223 return;
224 }
225 commit = lookup_commit_reference(sha1);
226 if (!commit || parse_commit(commit)) {
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]227 html_status(404, "Not found", 0);
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]228 return;
229 }
John Keepingc1633c62013-03-02 12:32:11 +0000[diff] [blame]230 if (!path_items.match) {
231 path_items.match = "";
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]232 walk_tree_ctx.match_baselen = -1;
Lars Hjemli7f88d202011-06-12 20:49:35 +0000[diff] [blame]233 print_dir(commit->tree->object.sha1, "", 0, "");
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]234 walk_tree_ctx.match = 2;
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]235 }
236 else
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]237 walk_tree_ctx.match_baselen = basedir_len(path_items.match);
238 read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
239 if (!walk_tree_ctx.match)
Lars Hjemli885096c2008-08-06 22:57:44 +0200[diff] [blame]240 html_status(404, "Not found", 0);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100[diff] [blame]241 else if (walk_tree_ctx.match == 2)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500[diff] [blame]242 print_dir_tail();
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200[diff] [blame]243}