forked from metajack/cgit
/
ui-plain.c
146 lines (132 loc) · 3.24 KB
/
ui-plain.c
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/* ui-plain.c: functions for output of plain blobs by path
*
* Copyright (C) 2008 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "html.h"
#include "ui-shared.h"
int match_baselen;
int match;
static void print_object(const unsigned char *sha1, const char *path)
{
enum object_type type;
char *buf, *ext;
unsigned long size;
struct string_list_item *mime;
type = sha1_object_info(sha1, &size);
if (type == OBJ_BAD) {
html_status(404, "Not found", 0);
return;
}
buf = read_sha1_file(sha1, &type, &size);
if (!buf) {
html_status(404, "Not found", 0);
return;
}
ctx.page.mimetype = NULL;
ext = strrchr(path, '.');
if (ext && *(++ext)) {
mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
if (mime)
ctx.page.mimetype = (char *)mime->util;
}
if (!ctx.page.mimetype) {
if (buffer_is_binary(buf, size))
ctx.page.mimetype = "application/octet-stream";
else
ctx.page.mimetype = "text/plain";
}
ctx.page.filename = fmt("%s", path);
ctx.page.size = size;
ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers(&ctx);
html_raw(buf, size);
match = 1;
}
static void print_dir(const unsigned char *sha1, const char *path,
const char *base)
{
char *fullpath;
if (path[0] || base[0])
fullpath = fmt("/%s%s/", base, path);
else
fullpath = "/";
ctx.page.etag = sha1_to_hex(sha1);
cgit_print_http_headers(&ctx);
htmlf("<html><head><title>%s</title></head>\n<body>\n"
" <h2>%s</h2>\n <ul>\n", fullpath, fullpath);
if (path[0] || base[0])
html(" <li><a href=\"../\">../</a></li>\n");
match = 2;
}
static void print_dir_entry(const unsigned char *sha1, const char *path,
unsigned mode)
{
const char *sep = "";
if (S_ISDIR(mode))
sep = "/";
htmlf(" <li><a href=\"%s%s\">%s%s</a></li>\n", path, sep, path, sep);
match = 2;
}
static void print_dir_tail(void)
{
html(" </ul>\n</body></html>\n");
}
static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
const char *pathname, unsigned mode, int stage,
void *cbdata)
{
if (baselen == match_baselen) {
if (S_ISREG(mode))
print_object(sha1, pathname);
else if (S_ISDIR(mode)) {
print_dir(sha1, pathname, base);
return READ_TREE_RECURSIVE;
}
}
else if (baselen > match_baselen)
print_dir_entry(sha1, pathname, mode);
else if (S_ISDIR(mode))
return READ_TREE_RECURSIVE;
return 0;
}
static int basedir_len(const char *path)
{
char *p = strrchr(path, '/');
if (p)
return p - path + 1;
return 0;
}
void cgit_print_plain(struct cgit_context *ctx)
{
const char *rev = ctx->qry.sha1;
unsigned char sha1[20];
struct commit *commit;
const char *paths[] = {ctx->qry.path, NULL};
if (!rev)
rev = ctx->qry.head;
if (get_sha1(rev, sha1)) {
html_status(404, "Not found", 0);
return;
}
commit = lookup_commit_reference(sha1);
if (!commit || parse_commit(commit)) {
html_status(404, "Not found", 0);
return;
}
if (!paths[0]) {
paths[0] = "";
match_baselen = -1;
print_dir(commit->tree->object.sha1, "", "");
}
else
match_baselen = basedir_len(paths[0]);
read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
if (!match)
html_status(404, "Not found", 0);
else if (match == 2)
print_dir_tail();
}