neocgit

a more 'modern' version of cgit
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commit dc3ac3f76077c5d612d42e8beb4878e43acfc58a
parent 977a0b173df6fe1a4d362fe4c70f9badff1fd46c
Author: Lars Hjemli <hjemli@gmail.com>
Date:   Sun, 20 May 2007 22:09:55 +0200

Merge branch 'virtual-url'

* virtual-url:
  Don't be fooled by trailing '/' in url-parameter
  cache_safe_filename() needs more buffers
  Enable url=value querystring parameter
  Add lookup-function for valid repo commands
  Move cgit_get_repoinfo into shared.c

Diffstat:
Mcache.c | 22+++++++++++++++-------
Mcgit.c | 74+++++++++++++++++++++++++++++++-------------------------------------------
Mcgit.h | 15+++++++++++++++
Mparsing.c | 44++++++++++++++++++++++++++++++++++++++++++++
Mshared.c | 30++++++++++++++++++++++++++++++
Mui-shared.c | 5++++-
6 files changed, 139 insertions(+), 51 deletions(-)

diff --git a/cache.c b/cache.c @@ -12,18 +12,23 @@ const int NOLOCK = -1; char *cache_safe_filename(const char *unsafe) { - static char buf[PATH_MAX]; - char *s = buf; + static char buf[4][PATH_MAX]; + static int bufidx; + char *s; char c; + bufidx++; + bufidx &= 3; + s = buf[bufidx]; + while(unsafe && (c = *unsafe++) != 0) { - if (c == '/' || c == ' ' || c == '&' || c == '|' || + if (c == '/' || c == ' ' || c == '&' || c == '|' || c == '>' || c == '<' || c == '.') c = '_'; *s++ = c; } *s = '\0'; - return buf; + return buf[bufidx]; } int cache_exist(struct cacheitem *item) @@ -43,15 +48,18 @@ int cache_create_dirs() if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; - if (!cgit_query_repo) + if (!cgit_repo) return 0; - path = fmt("%s/%s", cgit_cache_root, cgit_query_repo); + path = fmt("%s/%s", cgit_cache_root, + cache_safe_filename(cgit_repo->url)); + if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; if (cgit_query_page) { - path = fmt("%s/%s/%s", cgit_cache_root, cgit_query_repo, + path = fmt("%s/%s/%s", cgit_cache_root, + cache_safe_filename(cgit_repo->url), cgit_query_page); if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; diff --git a/cgit.c b/cgit.c @@ -11,29 +11,9 @@ const char cgit_version[] = CGIT_VERSION; -static struct repoinfo *cgit_get_repoinfo(char *url) -{ - int i; - struct repoinfo *repo; - - for (i=0; i<cgit_repolist.count; i++) { - repo = &cgit_repolist.repos[i]; - if (!strcmp(repo->url, url)) - return repo; - } - return NULL; -} - - static int cgit_prepare_cache(struct cacheitem *item) { - if (!cgit_query_repo) { - item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); - item->ttl = cgit_cache_root_ttl; - return 1; - } - cgit_repo = cgit_get_repoinfo(cgit_query_repo); - if (!cgit_repo) { + if (!cgit_repo && cgit_query_repo) { char *title = fmt("%s - %s", cgit_root_title, "Bad request"); cgit_print_docstart(title, item); cgit_print_pageheader(title, 0); @@ -42,13 +22,19 @@ static int cgit_prepare_cache(struct cacheitem *item) return 0; } - if (!cgit_query_page) { + if (!cgit_repo) { + item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); + item->ttl = cgit_cache_root_ttl; + return 1; + } + + if (!cgit_cmd) { item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, - cgit_repo->url)); + cache_safe_filename(cgit_repo->url))); item->ttl = cgit_cache_repo_ttl; } else { item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, - cgit_repo->url, cgit_query_page, + cache_safe_filename(cgit_repo->url), cgit_query_page, cache_safe_filename(cgit_querystring))); if (cgit_query_has_symref) item->ttl = cgit_cache_dynamic_ttl; @@ -82,25 +68,20 @@ static void cgit_print_repo_page(struct cacheitem *item) show_search = 0; setenv("GIT_DIR", cgit_repo->path, 1); - if (cgit_query_page) { - if (cgit_repo->snapshots && !strcmp(cgit_query_page, "snapshot")) { + if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) { cgit_print_snapshot(item, cgit_query_sha1, "zip", cgit_repo->url, cgit_query_name); return; - } - if (!strcmp(cgit_query_page, "blob")) { - cgit_print_blob(item, cgit_query_sha1, cgit_query_path); - return; - } } - if (cgit_query_page && !strcmp(cgit_query_page, "log")) - show_search = 1; + if (cgit_cmd == CMD_BLOB) { + cgit_print_blob(item, cgit_query_sha1, cgit_query_path); + return; + } + show_search = (cgit_cmd == CMD_LOG); cgit_print_docstart(title, item); - - - if (!cgit_query_page) { + if (!cgit_cmd) { cgit_print_pageheader("summary", show_search); cgit_print_summary(); cgit_print_docend(); @@ -109,20 +90,26 @@ static void cgit_print_repo_page(struct cacheitem *item) cgit_print_pageheader(cgit_query_page, show_search); - if (!strcmp(cgit_query_page, "log")) { + switch(cgit_cmd) { + case CMD_LOG: cgit_print_log(cgit_query_head, cgit_query_ofs, cgit_max_commit_count, cgit_query_search, cgit_query_path); - } else if (!strcmp(cgit_query_page, "tree")) { + break; + case CMD_TREE: cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); - } else if (!strcmp(cgit_query_page, "commit")) { + break; + case CMD_COMMIT: cgit_print_commit(cgit_query_head); - } else if (!strcmp(cgit_query_page, "view")) { + break; + case CMD_VIEW: cgit_print_view(cgit_query_sha1, cgit_query_path); - } else if (!strcmp(cgit_query_page, "diff")) { + break; + case CMD_DIFF: cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2, cgit_query_path); - } else { + break; + default: cgit_print_error("Invalid request"); } cgit_print_docend(); @@ -143,7 +130,7 @@ static void cgit_fill_cache(struct cacheitem *item, int use_cache) chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); } - if (cgit_query_repo) + if (cgit_repo) cgit_print_repo_page(item); else cgit_print_repolist(item); @@ -248,6 +235,7 @@ int main(int argc, const char **argv) cgit_repolist.repos = NULL; cgit_read_config(CGIT_CONFIG, cgit_global_config_cb); + cgit_repo = NULL; if (getenv("SCRIPT_NAME")) cgit_script_name = xstrdup(getenv("SCRIPT_NAME")); if (getenv("QUERY_STRING")) diff --git a/cgit.h b/cgit.h @@ -18,6 +18,17 @@ #include <xdiff/xdiff.h> +/* + * The valid cgit repo-commands + */ +#define CMD_LOG 1 +#define CMD_COMMIT 2 +#define CMD_DIFF 3 +#define CMD_TREE 4 +#define CMD_VIEW 5 +#define CMD_BLOB 6 +#define CMD_SNAPSHOT 7 + typedef void (*configfn)(const char *name, const char *value); typedef void (*filepair_fn)(struct diff_filepair *pair); typedef void (*linediff_fn)(char *line, int len); @@ -71,6 +82,7 @@ extern const char cgit_version[]; extern struct repolist cgit_repolist; extern struct repoinfo *cgit_repo; +extern int cgit_cmd; extern char *cgit_root_title; extern char *cgit_css; @@ -113,6 +125,8 @@ extern int cgit_query_ofs; extern int htmlfd; +extern int cgit_get_cmd_index(const char *cmd); +extern struct repoinfo *cgit_get_repoinfo(const char *url); extern void cgit_global_config_cb(const char *name, const char *value); extern void cgit_repo_config_cb(const char *name, const char *value); extern void cgit_querystring_cb(const char *name, const char *value); @@ -151,6 +165,7 @@ extern int cgit_read_config(const char *filename, configfn fn); extern int cgit_parse_query(char *txt, configfn fn); extern struct commitinfo *cgit_parse_commit(struct commit *commit); extern struct taginfo *cgit_parse_tag(struct tag *tag); +extern void cgit_parse_url(const char *url); extern char *cache_safe_filename(const char *unsafe); extern int cache_lock(struct cacheitem *item); diff --git a/parsing.c b/parsing.c @@ -132,6 +132,50 @@ int cgit_parse_query(char *txt, configfn fn) return 0; } +/* + * url syntax: [repo ['/' cmd [ '/' path]]] + * repo: any valid repo url, may contain '/' + * cmd: log | commit | diff | tree | view | blob | snapshot + * path: any valid path, may contain '/' + * + */ +void cgit_parse_url(const char *url) +{ + char *cmd, *p; + + cgit_repo = NULL; + if (!url || url[0] == '\0') + return; + + cgit_repo = cgit_get_repoinfo(url); + if (cgit_repo) { + cgit_query_repo = cgit_repo->url; + return; + } + + cmd = strchr(url, '/'); + while (!cgit_repo && cmd) { + cmd[0] = '\0'; + cgit_repo = cgit_get_repoinfo(url); + if (cgit_repo == NULL) { + cmd[0] = '/'; + cmd = strchr(cmd + 1, '/'); + continue; + } + + cgit_query_repo = cgit_repo->url; + p = strchr(cmd + 1, '/'); + if (p) { + p[0] = '\0'; + if (p[1]) + cgit_query_path = xstrdup(p + 1); + } + cgit_cmd = cgit_get_cmd_index(cmd + 1); + cgit_query_page = xstrdup(cmd + 1); + return; + } +} + char *substr(const char *head, const char *tail) { char *buf; diff --git a/shared.c b/shared.c @@ -10,6 +10,7 @@ struct repolist cgit_repolist; struct repoinfo *cgit_repo; +int cgit_cmd; char *cgit_root_title = "Git repository browser"; char *cgit_css = "/cgit.css"; @@ -52,6 +53,18 @@ int cgit_query_ofs = 0; int htmlfd = 0; + +int cgit_get_cmd_index(const char *cmd) +{ + static char *cmds[] = {"log", "commit", "diff", "tree", "view", "blob", "snapshot", NULL}; + int i; + + for(i = 0; cmds[i]; i++) + if (!strcmp(cmd, cmds[i])) + return i + 1; + return 0; +} + int chk_zero(int result, char *msg) { if (result != 0) @@ -94,6 +107,19 @@ struct repoinfo *add_repo(const char *url) return ret; } +struct repoinfo *cgit_get_repoinfo(const char *url) +{ + int i; + struct repoinfo *repo; + + for (i=0; i<cgit_repolist.count; i++) { + repo = &cgit_repolist.repos[i]; + if (!strcmp(repo->url, url)) + return repo; + } + return NULL; +} + void cgit_global_config_cb(const char *name, const char *value) { if (!strcmp(name, "root-title")) @@ -162,8 +188,12 @@ void cgit_querystring_cb(const char *name, const char *value) { if (!strcmp(name,"r")) { cgit_query_repo = xstrdup(value); + cgit_repo = cgit_get_repoinfo(value); } else if (!strcmp(name, "p")) { cgit_query_page = xstrdup(value); + cgit_cmd = cgit_get_cmd_index(value); + } else if (!strcmp(name, "url")) { + cgit_parse_url(value); } else if (!strcmp(name, "q")) { cgit_query_search = xstrdup(value); } else if (!strcmp(name, "h")) { diff --git a/ui-shared.c b/ui-shared.c @@ -68,7 +68,10 @@ char *cgit_pageurl(const char *reponame, const char *pagename, return fmt("%s/%s/%s/", cgit_virtual_root, reponame, pagename); } else { - return fmt("?r=%s&p=%s&%s", reponame, pagename, query); + if (query) + return fmt("?r=%s&p=%s&%s", reponame, pagename, query); + else + return fmt("?r=%s&p=%s", reponame, pagename); } }