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Lars Hjemlie5da4bc2008-08-06 10:53:50 +02001/* ui-plain.c: functions for output of plain blobs by path
2 *
Lukas Fleischerf7f26f82014-01-08 15:10:49 +01003 * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
Lars Hjemlie5da4bc2008-08-06 10:53:50 +02004 *
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 +010010#include "ui-plain.h"
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020011#include "html.h"
12#include "ui-shared.h"
13
Lukas Fleischerb1db30c2013-03-03 17:27:54 +010014struct walk_tree_context {
15 int match_baselen;
16 int match;
17};
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020018
Lukas Fleischera6317502013-03-03 17:10:19 +010019static int print_object(const unsigned char *sha1, const char *path)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020020{
21 enum object_type type;
Christian Hesseaa943bc2015-08-16 14:53:52 +020022 char *buf, *mimetype;
Ramsay Jonesbdd4a562008-11-04 19:22:08 +000023 unsigned long size;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020024
25 type = sha1_object_info(sha1, &size);
26 if (type == OBJ_BAD) {
John Keeping2b3e76a2015-08-14 12:47:04 +010027 cgit_print_error_page(404, "Not found", "Not found");
Lukas Fleischera6317502013-03-03 17:10:19 +010028 return 0;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020029 }
30
31 buf = read_sha1_file(sha1, &type, &size);
32 if (!buf) {
John Keeping2b3e76a2015-08-14 12:47:04 +010033 cgit_print_error_page(404, "Not found", "Not found");
Lukas Fleischera6317502013-03-03 17:10:19 +010034 return 0;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020035 }
Christian Hesseaa943bc2015-08-16 14:53:52 +020036
37 mimetype = get_mimetype_for_filename(path);
38 ctx.page.mimetype = mimetype;
39
Lars Hjemlic4d46c72009-02-13 20:43:30 +010040 if (!ctx.page.mimetype) {
John Keeping407f71c2013-10-06 12:14:41 +010041 if (buffer_is_binary(buf, size)) {
Lars Hjemlic4d46c72009-02-13 20:43:30 +010042 ctx.page.mimetype = "application/octet-stream";
John Keeping407f71c2013-10-06 12:14:41 +010043 ctx.page.charset = NULL;
44 } else {
Lars Hjemlic4d46c72009-02-13 20:43:30 +010045 ctx.page.mimetype = "text/plain";
John Keeping407f71c2013-10-06 12:14:41 +010046 }
Lars Hjemlic4d46c72009-02-13 20:43:30 +010047 }
John Keeping42d54762013-04-06 10:49:22 +010048 ctx.page.filename = path;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020049 ctx.page.size = size;
Lars Hjemli488a2142009-02-19 22:38:36 +010050 ctx.page.etag = sha1_to_hex(sha1);
Lukas Fleischerf60ffa12014-01-15 21:53:15 +010051 cgit_print_http_headers();
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020052 html_raw(buf, size);
Christian Hesseaa943bc2015-08-16 14:53:52 +020053 free(mimetype);
Christian Hesse979db792015-10-09 14:55:49 +020054 free(buf);
Lukas Fleischera6317502013-03-03 17:10:19 +010055 return 1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +020056}
57
Lars Hjemli7f88d202011-06-12 20:49:35 +000058static char *buildpath(const char *base, int baselen, const char *path)
Mark Lodato6c1a7362010-01-31 14:25:03 -050059{
Lars Hjemli7f88d202011-06-12 20:49:35 +000060 if (path[0])
John Keepingfb3655d2013-04-06 10:28:57 +010061 return fmtalloc("%.*s%s/", baselen, base, path);
Mark Lodato6c1a7362010-01-31 14:25:03 -050062 else
John Keepingfb3655d2013-04-06 10:28:57 +010063 return fmtalloc("%.*s/", baselen, base);
Lars Hjemli7f88d202011-06-12 20:49:35 +000064}
65
66static void print_dir(const unsigned char *sha1, const char *base,
67 int baselen, const char *path)
68{
69 char *fullpath, *slash;
70 size_t len;
71
72 fullpath = buildpath(base, baselen, path);
73 slash = (fullpath[0] == '/' ? "" : "/");
Mark Lodato6c1a7362010-01-31 14:25:03 -050074 ctx.page.etag = sha1_to_hex(sha1);
Lukas Fleischerf60ffa12014-01-15 21:53:15 +010075 cgit_print_http_headers();
Lars Hjemli7f88d202011-06-12 20:49:35 +000076 htmlf("<html><head><title>%s", slash);
77 html_txt(fullpath);
78 htmlf("</title></head>\n<body>\n<h2>%s", slash);
79 html_txt(fullpath);
80 html("</h2>\n<ul>\n");
81 len = strlen(fullpath);
82 if (len > 1) {
83 fullpath[len - 1] = 0;
84 slash = strrchr(fullpath, '/');
85 if (slash)
86 *(slash + 1) = 0;
Christian Hesse08a2b812015-10-09 14:55:50 +020087 else {
88 free(fullpath);
Lars Hjemli7f88d202011-06-12 20:49:35 +000089 fullpath = NULL;
Christian Hesse08a2b812015-10-09 14:55:50 +020090 }
Lars Hjemli7f88d202011-06-12 20:49:35 +000091 html("<li>");
92 cgit_plain_link("../", NULL, NULL, ctx.qry.head, ctx.qry.sha1,
93 fullpath);
94 html("</li>\n");
95 }
John Keepingfb3655d2013-04-06 10:28:57 +010096 free(fullpath);
Mark Lodato6c1a7362010-01-31 14:25:03 -050097}
98
Lars Hjemli7f88d202011-06-12 20:49:35 +000099static void print_dir_entry(const unsigned char *sha1, const char *base,
100 int baselen, const char *path, unsigned mode)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500101{
Lars Hjemli7f88d202011-06-12 20:49:35 +0000102 char *fullpath;
103
104 fullpath = buildpath(base, baselen, path);
Lars Hjemli74218572011-06-15 10:10:41 +0200105 if (!S_ISDIR(mode) && !S_ISGITLINK(mode))
Lars Hjemli7f88d202011-06-12 20:49:35 +0000106 fullpath[strlen(fullpath) - 1] = 0;
107 html(" <li>");
Lars Hjemli74218572011-06-15 10:10:41 +0200108 if (S_ISGITLINK(mode)) {
109 cgit_submodule_link(NULL, fullpath, sha1_to_hex(sha1));
110 } else
111 cgit_plain_link(path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
112 fullpath);
Lars Hjemli7f88d202011-06-12 20:49:35 +0000113 html("</li>\n");
John Keepingfb3655d2013-04-06 10:28:57 +0100114 free(fullpath);
Mark Lodato6c1a7362010-01-31 14:25:03 -0500115}
116
117static void print_dir_tail(void)
118{
119 html(" </ul>\n</body></html>\n");
120}
121
Christian Hesse7358f632015-02-07 14:18:28 +0100122static int walk_tree(const unsigned char *sha1, struct strbuf *base,
123 const char *pathname, unsigned mode, int stage, void *cbdata)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200124{
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100125 struct walk_tree_context *walk_tree_ctx = cbdata;
126
Christian Hesse7358f632015-02-07 14:18:28 +0100127 if (base->len == walk_tree_ctx->match_baselen) {
Lukas Fleischera6317502013-03-03 17:10:19 +0100128 if (S_ISREG(mode)) {
129 if (print_object(sha1, pathname))
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100130 walk_tree_ctx->match = 1;
Lukas Fleischera6317502013-03-03 17:10:19 +0100131 } else if (S_ISDIR(mode)) {
Christian Hesse7358f632015-02-07 14:18:28 +0100132 print_dir(sha1, base->buf, base->len, pathname);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100133 walk_tree_ctx->match = 2;
Mark Lodato6c1a7362010-01-31 14:25:03 -0500134 return READ_TREE_RECURSIVE;
135 }
Christian Hesse7358f632015-02-07 14:18:28 +0100136 } else if (base->len > walk_tree_ctx->match_baselen) {
137 print_dir_entry(sha1, base->buf, base->len, pathname, mode);
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100138 walk_tree_ctx->match = 2;
Lukas Fleischera6317502013-03-03 17:10:19 +0100139 } else if (S_ISDIR(mode)) {
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200140 return READ_TREE_RECURSIVE;
Lukas Fleischera6317502013-03-03 17:10:19 +0100141 }
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200142
Mark Lodato74ebf822010-01-31 01:07:41 -0500143 return 0;
144}
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200145
Mark Lodato74ebf822010-01-31 01:07:41 -0500146static int basedir_len(const char *path)
147{
148 char *p = strrchr(path, '/');
149 if (p)
150 return p - path + 1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200151 return 0;
152}
153
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100154void cgit_print_plain(void)
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200155{
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100156 const char *rev = ctx.qry.sha1;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200157 unsigned char sha1[20];
158 struct commit *commit;
John Keepingc1633c62013-03-02 12:32:11 +0000159 struct pathspec_item path_items = {
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100160 .match = ctx.qry.path,
161 .len = ctx.qry.path ? strlen(ctx.qry.path) : 0
John Keepingc1633c62013-03-02 12:32:11 +0000162 };
163 struct pathspec paths = {
164 .nr = 1,
165 .items = &path_items
166 };
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100167 struct walk_tree_context walk_tree_ctx = {
168 .match = 0
169 };
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200170
171 if (!rev)
Lukas Fleischerf60ffa12014-01-15 21:53:15 +0100172 rev = ctx.qry.head;
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200173
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200174 if (get_sha1(rev, sha1)) {
John Keeping2b3e76a2015-08-14 12:47:04 +0100175 cgit_print_error_page(404, "Not found", "Not found");
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200176 return;
177 }
178 commit = lookup_commit_reference(sha1);
179 if (!commit || parse_commit(commit)) {
John Keeping2b3e76a2015-08-14 12:47:04 +0100180 cgit_print_error_page(404, "Not found", "Not found");
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200181 return;
182 }
John Keepingc1633c62013-03-02 12:32:11 +0000183 if (!path_items.match) {
184 path_items.match = "";
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100185 walk_tree_ctx.match_baselen = -1;
Lars Hjemli7f88d202011-06-12 20:49:35 +0000186 print_dir(commit->tree->object.sha1, "", 0, "");
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100187 walk_tree_ctx.match = 2;
Mark Lodato6c1a7362010-01-31 14:25:03 -0500188 }
189 else
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100190 walk_tree_ctx.match_baselen = basedir_len(path_items.match);
191 read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
192 if (!walk_tree_ctx.match)
John Keeping2b3e76a2015-08-14 12:47:04 +0100193 cgit_print_error_page(404, "Not found", "Not found");
Lukas Fleischerb1db30c2013-03-03 17:27:54 +0100194 else if (walk_tree_ctx.match == 2)
Mark Lodato6c1a7362010-01-31 14:25:03 -0500195 print_dir_tail();
Lars Hjemlie5da4bc2008-08-06 10:53:50 +0200196}