ui-plain.c

   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
   9 #include "cgit.h"
  10 #include "html.h"
  11 #include "ui-shared.h"
  12
  13 char *curr_rev;
  14 char *match_path;
  15 int match;
  16
  17 static void print_object(const unsigned char *sha1, const char *path)
  18 {
  19         enum object_type type;
  20         char *buf;
  21         size_t size;
  22
  23         type = sha1_object_info(sha1, &size);
  24         if (type == OBJ_BAD) {
  25                 html_status(404, 0);
  26                 return;
  27         }
  28
  29         buf = read_sha1_file(sha1, &type, &size);
  30         if (!buf) {
  31                 html_status(404, 0);
  32                 return;
  33         }
  34         ctx.page.mimetype = "text/plain";
  35         ctx.page.filename = fmt("%s", path);
  36         ctx.page.size = size;
  37         cgit_print_http_headers(&ctx);
  38         html_raw(buf, size);
  39         match = 1;
  40 }
  41
  42 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
  43                      const char *pathname, unsigned mode, int stage,
  44                      void *cbdata)
  45 {
  46         fprintf(stderr, "[cgit] walk_tree.pathname=%s", pathname);
  47
  48         if (!pathname || strcmp(match_path, pathname))
  49                 return READ_TREE_RECURSIVE;
  50
  51         if (S_ISREG(mode))
  52                 print_object(sha1, pathname);
  53
  54         return 0;
  55 }
  56
  57 void cgit_print_plain(struct cgit_context *ctx)
  58 {
  59         const char *rev = ctx->qry.sha1;
  60         unsigned char sha1[20];
  61         struct commit *commit;
  62         const char *paths[] = {ctx->qry.path, NULL};
  63
  64         if (!rev)
  65                 rev = ctx->qry.head;
  66
  67         curr_rev = xstrdup(rev);
  68         if (get_sha1(rev, sha1)) {
  69                 html_status(404, 0);
  70                 return;
  71         }
  72         commit = lookup_commit_reference(sha1);
  73         if (!commit || parse_commit(commit)) {
  74                 html_status(404, 0);
  75                 return;
  76         }
  77         match_path = ctx->qry.path;
  78         fprintf(stderr, "[cgit] match_path=%s", match_path);
  79         read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
  80         if (!match)
  81                 html_status(404, 0);
  82 }