-rw-r--r-- | cgit.c | 4 | ||||
-rw-r--r-- | cgit.h | 1 | ||||
-rw-r--r-- | ui-plain.c | 1 | ||||
-rw-r--r-- | ui-shared.c | 6 |
4 files changed, 12 insertions, 0 deletions
@@ -197,24 +197,25 @@ static void prepare_context(struct cgit_context *ctx) 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->cfg.summary_branches = 10; ctx->cfg.summary_log = 10; ctx->cfg.summary_tags = 10; ctx->page.mimetype = "text/html"; ctx->page.charset = PAGE_ENCODING; ctx->page.filename = NULL; ctx->page.size = 0; ctx->page.modified = time(NULL); ctx->page.expires = ctx->page.modified; + ctx->page.etag = NULL; } 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; @@ -422,24 +423,25 @@ static int calc_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"); + const char *method = getenv("REQUEST_METHOD"); const char *path; char *qry; int err, ttl; prepare_context(&ctx); cgit_repolist.length = 0; cgit_repolist.count = 0; cgit_repolist.repos = NULL; if (getenv("SCRIPT_NAME")) ctx.cfg.script_name = xstrdup(getenv("SCRIPT_NAME")); if (getenv("QUERY_STRING")) @@ -468,21 +470,23 @@ int main(int argc, const char **argv) ctx.qry.url = xstrdup(path); if (ctx.qry.raw) { qry = ctx.qry.raw; ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry)); free(qry); } else ctx.qry.raw = ctx.qry.url; cgit_parse_url(ctx.qry.url); } ttl = calc_ttl(); ctx.page.expires += ttl*60; + if (method && !strcmp(method, "HEAD")) + ctx.cfg.nocache = 1; 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; } @@ -171,24 +171,25 @@ struct cgit_config { int summary_branches; int summary_log; int summary_tags; }; struct cgit_page { time_t modified; time_t expires; size_t size; char *mimetype; char *charset; char *filename; + char *etag; char *title; int status; char *statusmsg; }; struct cgit_context { struct cgit_query qry; struct cgit_config cfg; struct cgit_repo *repo; struct cgit_page page; }; @@ -28,24 +28,25 @@ static void print_object(const unsigned char *sha1, const char *path) buf = read_sha1_file(sha1, &type, &size); if (!buf) { html_status(404, "Not found", 0); return; } 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 int walk_tree(const unsigned char *sha1, const char *base, int baselen, const char *pathname, unsigned mode, int stage, void *cbdata) { if (S_ISDIR(mode)) return READ_TREE_RECURSIVE; diff --git a/ui-shared.c b/ui-shared.c index 29036d0..10be3c0 100644 --- a/ui-shared.c +++ b/ui-shared.c @@ -458,39 +458,45 @@ void cgit_print_age(time_t t, time_t max_relative, char *format) } if (secs < TM_YEAR * 2) { htmlf("<span class='age-months'>%.0f months</span>", secs * 1.0 / TM_MONTH); return; } htmlf("<span class='age-years'>%.0f years</span>", secs * 1.0 / TM_YEAR); } void cgit_print_http_headers(struct cgit_context *ctx) { + const char *method = getenv("REQUEST_METHOD"); + if (ctx->page.status) htmlf("Status: %d %s\n", ctx->page.status, ctx->page.statusmsg); if (ctx->page.mimetype && ctx->page.charset) htmlf("Content-Type: %s; charset=%s\n", ctx->page.mimetype, ctx->page.charset); else if (ctx->page.mimetype) htmlf("Content-Type: %s\n", ctx->page.mimetype); if (ctx->page.size) htmlf("Content-Length: %ld\n", ctx->page.size); if (ctx->page.filename) htmlf("Content-Disposition: inline; filename=\"%s\"\n", ctx->page.filename); htmlf("Last-Modified: %s\n", http_date(ctx->page.modified)); htmlf("Expires: %s\n", http_date(ctx->page.expires)); + if (ctx->page.etag) + htmlf("ETag: \"%s\"\n", ctx->page.etag); html("\n"); + if (method && !strcmp(method, "HEAD")) + exit(0); } void cgit_print_docstart(struct cgit_context *ctx) { char *host = cgit_hosturl(); html(cgit_doctype); html("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>\n"); html("<head>\n"); html("<title>"); html_txt(ctx->page.title); html("</title>\n"); htmlf("<meta name='generator' content='cgit %s'/>\n", cgit_version); |