diff options
Diffstat (limited to 'http.c')
| -rw-r--r-- | http.c | 38 |
1 files changed, 35 insertions, 3 deletions
@@ -906,6 +906,35 @@ static CURLcode curlinfo_strbuf(CURL *curl, CURLINFO info, struct strbuf *buf) return ret; } +/* + * Extract a normalized version of the content type, with any + * spaces suppressed, all letters lowercased, and no trailing ";" + * or parameters. + * + * Note that we will silently remove even invalid whitespace. For + * example, "text / plain" is specifically forbidden by RFC 2616, + * but "text/plain" is the only reasonable output, and this keeps + * our code simple. + * + * Example: + * "TEXT/PLAIN; charset=utf-8" -> "text/plain" + * "text / plain" -> "text/plain" + */ +static void extract_content_type(struct strbuf *raw, struct strbuf *type) +{ + const char *p; + + strbuf_reset(type); + strbuf_grow(type, raw->len); + for (p = raw->buf; *p; p++) { + if (isspace(*p)) + continue; + if (*p == ';') + break; + strbuf_addch(type, tolower(*p)); + } +} + /* http_request() targets */ #define HTTP_REQUEST_STRBUF 0 #define HTTP_REQUEST_FILE 1 @@ -957,9 +986,12 @@ static int http_request(const char *url, ret = run_one_slot(slot, &results); - if (options && options->content_type) - curlinfo_strbuf(slot->curl, CURLINFO_CONTENT_TYPE, - options->content_type); + if (options && options->content_type) { + struct strbuf raw = STRBUF_INIT; + curlinfo_strbuf(slot->curl, CURLINFO_CONTENT_TYPE, &raw); + extract_content_type(&raw, options->content_type); + strbuf_release(&raw); + } if (options && options->effective_url) curlinfo_strbuf(slot->curl, CURLINFO_EFFECTIVE_URL, |