From 6202f4475af932d6d489f5e02ea6b5110a1f567d Mon Sep 17 00:00:00 2001 From: "Rafael G. Martins" Date: Thu, 22 Sep 2016 04:08:47 +0200 Subject: runserver: removed libmagic dependency --- src/blogc-runserver/main.c | 187 ++++++++++++++++++++++++++++----------------- 1 file changed, 116 insertions(+), 71 deletions(-) (limited to 'src/blogc-runserver') diff --git a/src/blogc-runserver/main.c b/src/blogc-runserver/main.c index 93f404a..e10f8e8 100644 --- a/src/blogc-runserver/main.c +++ b/src/blogc-runserver/main.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -26,31 +25,124 @@ #include "../common/utils.h" -/** - * this mapping is used to declare "supported" file types, that are forced over - * whatever detected by libmagic, but we will still use the charset provided by - * libmagic anyway. it also helps detecting index files when the client asks - * for a directory. - */ +// mime types with index should be in the begin of the list. first NULL +// index aborts the lookup, for optimization static const struct content_type_map { const char *mimetype; const char *extension; const char *index; } content_types[] = { + + // with index {"text/html", "html", "index.html"}, {"text/html", "htm", "index.htm"}, + {"text/html", "shtml", "index.shtml"}, {"text/xml", "xml", "index.xml"}, {"text/plain", "txt", "index.txt"}, + {"application/xhtml+xml", "xhtml", "index.xhtml"}, + + // withoud index {"text/css", "css", NULL}, + {"image/gif", "gif", NULL}, + {"image/jpeg", "jpeg", NULL}, + {"image/jpeg", "jpg", NULL}, {"application/javascript", "js", NULL}, + {"application/atom+xml", "atom", NULL}, + {"application/rss+xml", "rss", NULL}, + {"text/mathml", "mml", NULL}, + {"text/vnd.sun.j2me.app-descriptor", "jad", NULL}, + {"text/vnd.wap.wml", "wml", NULL}, + {"text/x-component", "htc", NULL}, + {"image/png", "png", NULL}, + {"image/tiff", "tif", NULL}, + {"image/tiff", "tiff", NULL}, + {"image/vnd.wap.wbmp", "wbmp", NULL}, + {"image/x-icon", "ico", NULL}, + {"image/x-jng", "jng", NULL}, + {"image/x-ms-bmp", "bmp", NULL}, + {"image/svg+xml", "svg", NULL}, + {"image/svg+xml", "svgz", NULL}, + {"image/webp", "webp", NULL}, + {"application/font-woff", "woff", NULL}, + {"application/java-archive", "jar", NULL}, + {"application/java-archive", "war", NULL}, + {"application/java-archive", "ear", NULL}, + {"application/json", "json", NULL}, + {"application/mac-binhex40", "hqx", NULL}, + {"application/msword", "doc", NULL}, + {"application/pdf", "pdf", NULL}, + {"application/postscript", "ps", NULL}, + {"application/postscript", "eps", NULL}, + {"application/postscript", "ai", NULL}, + {"application/rtf", "rtf", NULL}, + {"application/vnd.apple.mpegurl", "m3u8", NULL}, + {"application/vnd.ms-excel", "xls", NULL}, + {"application/vnd.ms-fontobject", "eot", NULL}, + {"application/vnd.ms-powerpoint", "ppt", NULL}, + {"application/vnd.wap.wmlc", "wmlc", NULL}, + {"application/vnd.google-earth.kml+xml", "kml", NULL}, + {"application/vnd.google-earth.kmz", "kmz", NULL}, + {"application/x-7z-compressed", "7z", NULL}, + {"application/x-cocoa", "cco", NULL}, + {"application/x-java-archive-diff", "jardiff", NULL}, + {"application/x-java-jnlp-file", "jnlp", NULL}, + {"application/x-makeself", "run", NULL}, + {"application/x-perl", "pl", NULL}, + {"application/x-perl", "pm", NULL}, + {"application/x-pilot", "prc", NULL}, + {"application/x-pilot", "pdb", NULL}, + {"application/x-rar-compressed", "rar", NULL}, + {"application/x-redhat-package-manager", "rpm", NULL}, + {"application/x-sea", "sea", NULL}, + {"application/x-shockwave-flash", "swf", NULL}, + {"application/x-stuffit", "sit", NULL}, + {"application/x-tcl", "tcl", NULL}, + {"application/x-tcl", "tk", NULL}, + {"application/x-x509-ca-cert", "der", NULL}, + {"application/x-x509-ca-cert", "pem", NULL}, + {"application/x-x509-ca-cert", "crt", NULL}, + {"application/x-xpinstall", "xpi", NULL}, + {"application/xspf+xml", "xspf", NULL}, + {"application/zip", "zip", NULL}, + {"application/octet-stream", "bin", NULL}, + {"application/octet-stream", "exe", NULL}, + {"application/octet-stream", "dll", NULL}, + {"application/octet-stream", "deb", NULL}, + {"application/octet-stream", "dmg", NULL}, + {"application/octet-stream", "iso", NULL}, + {"application/octet-stream", "img", NULL}, + {"application/octet-stream", "msi", NULL}, + {"application/octet-stream", "msp", NULL}, + {"application/octet-stream", "msm", NULL}, + {"application/vnd.openxmlformats-officedocument.wordprocessingml.document", "docx", NULL}, + {"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "xlsx", NULL}, + {"application/vnd.openxmlformats-officedocument.presentationml.presentation", "pptx", NULL}, + {"audio/midi", "mid", NULL}, + {"audio/midi", "midi", NULL}, + {"audio/midi", "kar", NULL}, + {"audio/mpeg", "mp3", NULL}, + {"audio/ogg", "ogg", NULL}, + {"audio/x-m4a", "m4a", NULL}, + {"audio/x-realaudio", "ra", NULL}, + {"video/3gpp", "3gpp", NULL}, + {"video/3gpp", "3gp", NULL}, + {"video/mp2t", "ts", NULL}, + {"video/mp4", "mp4", NULL}, + {"video/mpeg", "mpeg", NULL}, + {"video/mpeg", "mpg", NULL}, + {"video/quicktime", "mov", NULL}, + {"video/webm", "webm", NULL}, + {"video/x-flv", "flv", NULL}, + {"video/x-m4v", "m4v", NULL}, + {"video/x-mng", "mng", NULL}, + {"video/x-ms-asf", "asx", NULL}, + {"video/x-ms-asf", "asf", NULL}, + {"video/x-ms-wmv", "wmv", NULL}, + {"video/x-msvideo", "avi", NULL}, {NULL, NULL, NULL} }; -static magic_t magic_all = NULL; -static magic_t magic_charset = NULL; - - static const char* get_extension(const char *filename) { @@ -68,41 +160,19 @@ get_extension(const char *filename) } -static char* -guess_content_type(const char *filename, int fd) +static const char* +guess_content_type(const char *filename) { - int newfd; - - // try "supported" types first, and just use libmagic for charset const char *extension = get_extension(filename); if (extension == NULL) - goto libmagic; - const char *supported = NULL; - for (unsigned int i = 0; content_types[i].extension != NULL; i++) - if (0 == strcmp(content_types[i].extension, extension)) - supported = content_types[i].mimetype; - if (supported != NULL) { - newfd = dup(fd); - if (-1 != newfd) { - const char* charset = magic_descriptor(magic_charset, newfd); - close(newfd); - if (charset != NULL) - return bc_strdup_printf("%s; charset=%s", supported, charset); + goto default_type; + for (unsigned int i = 0; content_types[i].extension != NULL; i++) { + if (0 == strcmp(content_types[i].extension, extension)) { + return content_types[i].mimetype; } - return bc_strdup(supported); - } - -libmagic: - - // fallback to use libmagic for everything - newfd = dup(fd); - if (-1 != newfd) { - const char* content_type = magic_descriptor(magic_all, newfd); - close(newfd); - if (content_type != NULL) - return bc_strdup(content_type); } - return bc_strdup("application/octet-stream"); +default_type: + return "application/octet-stream"; } @@ -159,13 +229,11 @@ handler(struct evhttp_request *request, void *ptr) if (S_ISDIR(st.st_mode)) { char *found = NULL; - for (unsigned int i = 0; content_types[i].mimetype != NULL; i++) { - if (content_types[i].index == NULL) - continue; + for (unsigned int i = 0; content_types[i].index != NULL; i++) { char *f = bc_strdup_printf("%s/%s", real_path, content_types[i].index); if (0 == access(f, F_OK)) { - found = bc_strdup(f); + found = f; break; } free(f); @@ -190,11 +258,11 @@ handler(struct evhttp_request *request, void *ptr) goto point4; } - char *type = guess_content_type(real_path, fd); + const char *type = guess_content_type(real_path); if (fstat(fd, &st) < 0) { evhttp_send_error(request, 500, "Internal server error"); - goto point5; + goto point4; } struct evkeyvalq *headers = evhttp_request_get_output_headers(request); @@ -206,7 +274,7 @@ handler(struct evhttp_request *request, void *ptr) // production webservers usually returns 301 in such cases, but 302 is // better for development/testing. evhttp_send_reply(request, 302, "Found", NULL); - goto point5; + goto point4; } evhttp_add_header(headers, "Content-Type", type); @@ -218,8 +286,6 @@ handler(struct evhttp_request *request, void *ptr) evbuffer_add_file(evb, fd, 0, st.st_size); evhttp_send_reply(request, 200, "OK", evb); -point5: - free(type); point4: free(real_root); point3: @@ -355,29 +421,8 @@ main(int argc, char **argv) if (host == NULL) host = bc_strdup("127.0.0.1"); - magic_all = magic_open(MAGIC_MIME); - magic_charset = magic_open(MAGIC_MIME_ENCODING); - if (magic_all == NULL || magic_charset == NULL) { - fprintf(stderr, "error: failed to initialize libmagic\n"); - rv = 1; - goto cleanup; - } - - if ((0 != magic_load(magic_all, NULL)) || - (0 != magic_load(magic_charset, NULL))) - { - fprintf(stderr, "error: failed to load libmagic data\n"); - magic_close(magic_all); - magic_close(magic_charset); - rv = 1; - goto cleanup; - } - rv = runserver(host, port, docroot); - magic_close(magic_all); - magic_close(magic_charset); - cleanup: free(host); free(docroot); -- cgit v1.2.3-18-g5258