/* cmd.c: the cgit command dispatcher
*
* Copyright (C) 2008 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "cmd.h"
#include "cache.h"
#include "ui-shared.h"
#include "ui-atom.h"
#include "ui-blob.h"
#include "ui-clone.h"
#include "ui-commit.h"
#include "ui-diff.h"
#include "ui-log.h"
#include "ui-patch.h"
#include "ui-plain.h"
#include "ui-refs.h"
#include "ui-repolist.h"
#include "ui-snapshot.h"
#include "ui-summary.h"
#include "ui-tag.h"
#include "ui-tree.h"
static void HEAD_fn(struct cgit_context pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long *//* cgit.c: cgi for the git scm
*
* Copyright (C) 2006 Lars Hjemli
*
* Licensed under GNU General Public License v2
* (see COPYING for full license text)
*/
#include "cgit.h"
#include "cache.h"
#include "cmd.h"
#include "configfile.h"
#include "html.h"
#include "ui-shared.h"
const char *cgit_version = CGIT_VERSION;
void config_cb(const char *name, const char *value)
{
if (!strcmp(name, "root-title"))
ctx.cfg.root_title = xstrdup(value);
else if (!strcmp(name, "root-desc"))
ctx.cfg.root_desc = xstrdup(value);
else if (!strcmp(name, "root-readme"))
ctx.cfg.root_readme = xstrdup(value);
else if (!strcmp(name, "css"))
ctx.cfg.css = xstrdup(value);
else if (!strcmp(name, "favicon"))
ctx.cfg.favicon = xstrdup(value);
else if (!strcmp(name, "footer"))
ctx.cfg.footer = xstrdup(value);
else if (!strcmp(name, "logo"))
ctx.cfg.logo = xstrdup(value);
else if (!strcmp(name, "index-header"))
ctx.cfg.index_header = xstrdup(value);
else if (!strcmp(name, "index-info"))
ctx.cfg.index_info = xstrdup(value);
else if (!strcmp(name, "logo-link"))
ctx.cfg.logo_link = xstrdup(value);
else if (!strcmp(name, "module-link"))
ctx.cfg.module_link = xstrdup(value);
else if (!strcmp(name, "virtual-root")) {
ctx.cfg.virtual_root = trim_end(value, '/');
if (!ctx.cfg.virtual_root && (!strcmp(value, "/")))
ctx.cfg.virtual_root = "";
} else if (!strcmp(name, "nocache"))
ctx.cfg.nocache = atoi(value);
else if (!strcmp(name, "snapshots"))
ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
else if (!strcmp(name, "enable-index-links"))
ctx.cfg.enable_index_links = atoi(value);
else if (!strcmp(name, "enable-log-filecount"))
ctx.cfg.enable_log_filecount = atoi(value);
else if (!strcmp(name, "enable-log-linecount"))
ctx.cfg.enable_log_linecount = atoi(value);
else if (!strcmp(name, "cache-size"))
ctx.cfg.cache_size = atoi(value);
else if (!strcmp(name, "cache-root"))
ctx.cfg.cache_root = xstrdup(value);
else if (!strcmp(name, "cache-root-ttl"))
ctx.cfg.cache_root_ttl = atoi(value);
else if (!strcmp(name, "cache-repo-ttl"))
ctx.cfg.cache_repo_ttl = atoi(value);
else if (!strcmp(name, "cache-static-ttl"))
ctx.cfg.cache_static_ttl = atoi(value);
else if (!strcmp(name, "cache-dynamic-ttl"))
ctx.cfg.cache_dynamic_ttl = atoi(value);
else if (!strcmp(name, "max-message-length"))
ctx.cfg.max_msg_len = atoi(value);
else if (!strcmp(name, "max-repodesc-length"))
ctx.cfg.max_repodesc_len = atoi(value);
else if (!strcmp(name, "max-repo-count"))
ctx.cfg.max_repo_count = atoi(value);
else if (!strcmp(name, "max-commit-count"))
ctx.cfg.max_commit_count = atoi(value);
else if (!strcmp(name, "summary-log"))
ctx.cfg.summary_log = atoi(value);
else if (!strcmp(name, "summary-branches"))
ctx.cfg.summary_branches = atoi(value);
else if (!strcmp(name, "summary-tags"))
ctx.cfg.summary_tags = atoi(value);
else if (!strcmp(name, "agefile"))
ctx.cfg.agefile = xstrdup(value);
else if (!strcmp(name, "renamelimit"))
ctx.cfg.renamelimit = atoi(value);
else if (!strcmp(name, "robots"))
ctx.cfg.robots = xstrdup(value);
else if (!strcmp(name, "clone-prefix"))
ctx.cfg.clone_prefix = xstrdup(value);
else if (!strcmp(name, "repo.group"))
ctx.cfg.repo_group = xstrdup(value);
else if (!strcmp(name, "repo.url"))
ctx.repo = cgit_add_repo(value);
else if (!strcmp(name, "repo.name"))
ctx.repo->name = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.path"))
ctx.repo->path = trim_end(value, '/');
else if (ctx.repo && !strcmp(name, "repo.clone-url"))
ctx.repo->clone_url = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.desc"))
ctx.repo->desc = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.owner"))
ctx.repo->owner = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.defbranch"))
ctx.repo->defbranch = xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.snapshots"))
ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */
else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount"))
ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount"))
ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value);
else if (ctx.repo && !strcmp(name, "repo.module-link"))
ctx.repo->module_link= xstrdup(value);
else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) {
if (*value == '/')
ctx.repo->readme = xstrdup(value);
else
ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value));
} else if (!strcmp(name, "include"))
parse_configfile(value, config_cb);
}
static void querystring_cb(const char *name, const char *value)
{
if (!strcmp(name,"r")) {
ctx.qry.repo = xstrdup(value);
ctx.repo = cgit_get_repoinfo(value);
} else if (!strcmp(name, "p")) {
ctx.qry.page = xstrdup(value);
} else if (!strcmp(name, "url")) {
cgit_parse_url(value);
} else if (!strcmp(name, "qt")) {
ctx.qry.grep = xstrdup(value);
} else if (!strcmp(name, "q")) {
ctx.qry.search = xstrdup(value);
} else if (!strcmp(name, "h")) {
ctx.qry.head = xstrdup(value);
ctx.qry.has_symref = 1;
} else if (!strcmp(name, "id")) {
ctx.qry.sha1 = xstrdup(value);
ctx.qry.has_sha1 = 1;
} else if (!strcmp(name, "id2")) {
ctx.qry.sha2 = xstrdup(value);
ctx.qry.has_sha1 = 1;
} else if (!strcmp(name, "ofs")) {
ctx.qry.ofs = atoi(value);
} else if (!strcmp(name, "path")) {
ctx.qry.path = trim_end(value, '/');
} else if (!strcmp(name, "name")) {
ctx.qry.name = xstrdup(value);
} else if (!strcmp(name, "mimetype")) {
ctx.qry.mimetype = xstrdup(value);
}
}
static void prepare_context(struct cgit_context *ctx)
{
memset(ctx, 0, sizeof(ctx));
ctx->cfg.agefile = "info/web/last-modified";
ctx->cfg.nocache = 0;
ctx->cfg.cache_size = 0;
ctx->cfg.cache_dynamic_ttl = 5;
ctx->cfg.cache_max_create_time = 5;
ctx->cfg.cache_repo_ttl = 5;
ctx->cfg.cache_root = CGIT_CACHE_ROOT;
ctx->cfg.cache_root_ttl = 5;
ctx->cfg.cache_static_ttl = -1;
ctx->cfg.css = "/cgit.css";
ctx->cfg.logo = "/git-logo.png";
ctx->cfg.max_repo_count = 50;
ctx->cfg.max_commit_count = 50;
ctx->cfg.max_lock_attempts = 5;
ctx->cfg.max_msg_len = 60;
ctx->cfg.max_repodesc_len = 60;
ctx->cfg.module_link = "./?repo=%s&page=commit&id=%s";
ctx->cfg.renamelimit = -1;
ctx->cfg.robots = "index, nofollow";
ctx->cfg.root_title = "Git repository browser";
ctx->cfg.root_desc = "a fast webinterface for the git dscm";
ctx->cfg.script_name = CGIT_SCRIPT_NAME;
ctx->page.mimetype = "text/html";
ctx->page.charset = PAGE_ENCODING;
ctx->page.filename = NULL;
ctx->page.modified = time(NULL);
ctx->page.expires = ctx->page.modified;
}
struct refmatch {
char *req_ref;
char *first_ref;
int match;
};
int find_current_ref(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
struct refmatch *info;
info = (struct refmatch *)cb_data;
if (!strcmp(refname, info->req_ref))
info->match = 1;
if (!info->first_ref)
info->first_ref = xstrdup(refname);
return info->match;
}
char *find_default_branch(struct cgit_repo *repo)
{
struct refmatch info;
info.req_ref = repo->defbranch;
info.first_ref = NULL;
info.match = 0;
for_each_branch_ref(find_current_ref, &info);
if (info.match)
return info.req_ref;
else
return info.first_ref;
}
static int prepare_repo_cmd(struct cgit_context *ctx)
{
char *tmp;
unsigned char sha1[20];
int nongit = 0;
setenv("GIT_DIR", ctx->repo->path, 1);
setup_git_directory_gently(&nongit);
if (nongit) {
ctx->page.title = fmt("%s - %s", ctx->cfg.root_title,
"config error");
tmp = fmt("Not a git repository: '%s'", ctx->repo->path);
ctx->repo = NULL;
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error(tmp);
cgit_print_docend();
return 1;
}
ctx->page.title = fmt("%s - %s", ctx->repo->name, ctx->repo->desc);
if (!ctx->qry.head) {
ctx->qry.head = xstrdup(find_default_branch(ctx->repo));
ctx->repo->defbranch = ctx->qry.head;
}
if (!ctx->qry.head) {
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error("Repository seems to be empty");
cgit_print_docend();
return 1;
}
if (get_sha1(ctx->qry.head, sha1)) {
tmp = xstrdup(ctx->qry.head);
ctx->qry.head = ctx->repo->defbranch;
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error(fmt("Invalid branch: %s", tmp));
cgit_print_docend();
return 1;
}
return 0;
}
static void process_request(void *cbdata)
{
struct cgit_context *ctx = cbdata;
struct cgit_cmd *cmd;
cmd = cgit_get_cmd(ctx);
if (!cmd) {
ctx->page.title = "cgit error";
ctx->repo = NULL;
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error("Invalid request");
cgit_print_docend();
return;
}
if (cmd->want_repo && !ctx->repo) {
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
cgit_print_error(fmt("No repository selected"));
cgit_print_docend();
return;
}
if (ctx->repo && prepare_repo_cmd(ctx))
return;
if (cmd->want_layout) {
cgit_print_http_headers(ctx);
cgit_print_docstart(ctx);
cgit_print_pageheader(ctx);
}
cmd->fn(ctx);
if (cmd->want_layout)
cgit_print_docend();
}
static void cgit_parse_args(int argc, const char **argv)
{
int i;
for (i = 1; i < argc; i++) {
if (!strncmp(argv[i], "--cache=", 8)) {
ctx.cfg.cache_root = xstrdup(argv[i]+8);
}
if (!strcmp(argv[i], "--nocache")) {
ctx.cfg.nocache = 1;
}
if (!strncmp(argv[i], "--query=", 8)) {
ctx.qry.raw = xstrdup(argv[i]+8);
}
if (!strncmp(argv[i], "--repo=", 7)) {
ctx.qry.repo = xstrdup(argv[i]+7);
}
if (!strncmp(argv[i], "--page=", 7)) {
ctx.qry.page = xstrdup(argv[i]+7);
}
if (!strncmp(argv[i], "--head=", 7)) {
ctx.qry.head = xstrdup(argv[i]+7);
ctx.qry.has_symref = 1;
}
if (!strncmp(argv[i], "--sha1=", 7)) {
ctx.qry.sha1 = xstrdup(argv[i]+7);
ctx.qry.has_sha1 = 1;
}
if (!strncmp(argv[i], "--ofs=", 6)) {
ctx.qry.ofs = atoi(argv[i]+6);
}
}
}
static int calc_ttl()
{
if (!ctx.repo)
return ctx.cfg.cache_root_ttl;
if (!ctx.qry.page)
return ctx.cfg.cache_repo_ttl;
if (ctx.qry.has_symref)
return ctx.cfg.cache_dynamic_ttl;
if (ctx.qry.has_sha1)
return ctx.cfg.cache_static_ttl;
return ctx.cfg.cache_repo_ttl;
}
int main(int argc, const char **argv)
{
const char *cgit_config_env = getenv("CGIT_CONFIG");
int err, ttl;
prepare_context(&ctx);
cgit_repolist.length = 0;
cgit_repolist.count = 0;
cgit_repolist.repos = NULL;
parse_configfile(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
config_cb);
ctx.repo = NULL;
if (getenv("SCRIPT_NAME"))
ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME"));
if (getenv("QUERY_STRING"))
ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
cgit_parse_args(argc, argv);
http_parse_querystring(ctx.qry.raw, querystring_cb);
ttl = calc_ttl();
ctx.page.expires += ttl*60;
if (ctx.cfg.nocache)
ctx.cfg.cache_size = 0;
err = cache_process(ctx.cfg.cache_size, ctx.cfg.cache_root,
ctx.qry.raw, ttl, process_request, &ctx);
if (err)
cgit_print_error(fmt("Error processing page: %s (%d)",
strerror(err), err));
return err;
}
