/* ui-blob.c: show blob content
*
- * Copyright (C) 2008 Lars Hjemli
- * Copyright (C) 2010 Jason A. Donenfeld <Jason@zx2c4.com>
+ * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
#include "ui-shared.h"
struct walk_tree_context {
- char *match_path;
- unsigned char *matched_sha1;
- int found_path;
+ const char *match_path;
+ struct object_id *matched_oid;
+ unsigned int found_path:1;
+ unsigned int file_only:1;
};
-static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
- const char *pathname, unsigned mode, int stage, void *cbdata)
+static int walk_tree(const struct object_id *oid, struct strbuf *base,
+ const char *pathname, unsigned mode, int stage, void *cbdata)
{
struct walk_tree_context *walk_tree_ctx = cbdata;
- if (strncmp(base, walk_tree_ctx->match_path, baselen)
- || strcmp(walk_tree_ctx->match_path + baselen, pathname))
+ if (walk_tree_ctx->file_only && !S_ISREG(mode))
return READ_TREE_RECURSIVE;
- memmove(walk_tree_ctx->matched_sha1, sha1, 20);
+ if (strncmp(base->buf, walk_tree_ctx->match_path, base->len)
+ || strcmp(walk_tree_ctx->match_path + base->len, pathname))
+ return READ_TREE_RECURSIVE;
+ oidcpy(walk_tree_ctx->matched_oid, oid);
walk_tree_ctx->found_path = 1;
return 0;
}
-int cgit_print_file(char *path, const char *head)
+int cgit_ref_path_exists(const char *path, const char *ref, int file_only)
{
- unsigned char sha1[20];
+ struct object_id oid;
+ unsigned long size;
+ struct pathspec_item path_items = {
+ .match = xstrdup(path),
+ .len = strlen(path)
+ };
+ struct pathspec paths = {
+ .nr = 1,
+ .items = &path_items
+ };
+ struct walk_tree_context walk_tree_ctx = {
+ .match_path = path,
+ .matched_oid = &oid,
+ .found_path = 0,
+ .file_only = file_only
+ };
+
+ if (get_oid(ref, &oid))
+ goto done;
+ if (oid_object_info(the_repository, &oid, &size) != OBJ_COMMIT)
+ goto done;
+ read_tree_recursive(the_repository, lookup_commit_reference(the_repository, &oid)->maybe_tree,
+ "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+
+done:
+ free(path_items.match);
+ return walk_tree_ctx.found_path;
+}
+
+int cgit_print_file(char *path, const char *head, int file_only)
+{
+ struct object_id oid;
enum object_type type;
char *buf;
unsigned long size;
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
- .matched_sha1 = sha1,
- .found_path = 0
+ .matched_oid = &oid,
+ .found_path = 0,
+ .file_only = file_only
};
- if (get_sha1(head, sha1))
+ if (get_oid(head, &oid))
return -1;
- type = sha1_object_info(sha1, &size);
- if (type == OBJ_COMMIT && path) {
- commit = lookup_commit_reference(sha1);
- read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+ type = oid_object_info(the_repository, &oid, &size);
+ if (type == OBJ_COMMIT) {
+ commit = lookup_commit_reference(the_repository, &oid);
+ read_tree_recursive(the_repository, commit->maybe_tree,
+ "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
if (!walk_tree_ctx.found_path)
return -1;
- type = sha1_object_info(sha1, &size);
+ type = oid_object_info(the_repository, &oid, &size);
}
if (type == OBJ_BAD)
return -1;
- buf = read_sha1_file(sha1, &type, &size);
+ buf = read_object_file(&oid, &type, &size);
if (!buf)
return -1;
buf[size] = '\0';
html_raw(buf, size);
+ free(buf);
return 0;
}
-void cgit_print_blob(const char *hex, char *path, const char *head)
+void cgit_print_blob(const char *hex, char *path, const char *head, int file_only)
{
- unsigned char sha1[20];
+ struct object_id oid;
enum object_type type;
char *buf;
unsigned long size;
};
struct walk_tree_context walk_tree_ctx = {
.match_path = path,
- .matched_sha1 = sha1,
+ .matched_oid = &oid,
+ .found_path = 0,
+ .file_only = file_only
};
if (hex) {
- if (get_sha1_hex(hex, sha1)) {
- cgit_print_error("Bad hex value: %s", hex);
+ if (get_oid_hex(hex, &oid)) {
+ cgit_print_error_page(400, "Bad request",
+ "Bad hex value: %s", hex);
return;
}
} else {
- if (get_sha1(head, sha1)) {
- cgit_print_error("Bad ref: %s", head);
+ if (get_oid(head, &oid)) {
+ cgit_print_error_page(404, "Not found",
+ "Bad ref: %s", head);
return;
}
}
- type = sha1_object_info(sha1, &size);
+ type = oid_object_info(the_repository, &oid, &size);
if ((!hex) && type == OBJ_COMMIT && path) {
- commit = lookup_commit_reference(sha1);
- read_tree_recursive(commit->tree, "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
- type = sha1_object_info(sha1,&size);
+ commit = lookup_commit_reference(the_repository, &oid);
+ read_tree_recursive(the_repository, commit->maybe_tree,
+ "", 0, 0, &paths, walk_tree, &walk_tree_ctx);
+ type = oid_object_info(the_repository, &oid, &size);
}
if (type == OBJ_BAD) {
- cgit_print_error("Bad object name: %s", hex);
+ cgit_print_error_page(404, "Not found",
+ "Bad object name: %s", hex);
return;
}
- buf = read_sha1_file(sha1, &type, &size);
+ buf = read_object_file(&oid, &type, &size);
if (!buf) {
- cgit_print_error("Error reading object %s", hex);
+ cgit_print_error_page(500, "Internal server error",
+ "Error reading object %s", hex);
return;
}
buf[size] = '\0';
- ctx.page.mimetype = ctx.qry.mimetype;
- if (!ctx.page.mimetype) {
- if (buffer_is_binary(buf, size))
- ctx.page.mimetype = "application/octet-stream";
- else
- ctx.page.mimetype = "text/plain";
- }
+ if (buffer_is_binary(buf, size))
+ ctx.page.mimetype = "application/octet-stream";
+ else
+ ctx.page.mimetype = "text/plain";
ctx.page.filename = path;
- cgit_print_http_headers(&ctx);
+
+ html("X-Content-Type-Options: nosniff\n");
+ html("Content-Security-Policy: default-src 'none'\n");
+ cgit_print_http_headers();
html_raw(buf, size);
+ free(buf);
}