| /** @file |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| #include "response.h" |
| |
| #include <cinttypes> |
| #include <cstring> |
| #include <mutex> |
| |
| #include "ts/ts.h" |
| |
| // canned body string for a 416, stolen from nginx |
| std::string const & |
| bodyString416() |
| { |
| static std::string bodystr; |
| static std::mutex mutex; |
| std::lock_guard<std::mutex> const guard(mutex); |
| |
| if (bodystr.empty()) { |
| bodystr.append("<html>\n"); |
| bodystr.append("<head><title>416 Requested Range Not Satisfiable</title></head>\n"); |
| bodystr.append("<body bgcolor=\"white\">\n"); |
| bodystr.append("<center><h1>416 Requested Range Not Satisfiable</h1></center>"); |
| bodystr.append("<hr><center>ATS/"); |
| bodystr.append(TS_VERSION_STRING); |
| bodystr.append("</center>\n"); |
| bodystr.append("</body>\n"); |
| bodystr.append("</html>\n"); |
| } |
| |
| return bodystr; |
| } |
| |
| // Form a 502 response, preliminary |
| std::string |
| string502(int const httpver) |
| { |
| static std::string msg; |
| static std::mutex mutex; |
| std::lock_guard<std::mutex> const guard(mutex); |
| |
| if (msg.empty()) { |
| std::string bodystr; |
| bodystr.append("<html>\n"); |
| bodystr.append("<head><title>502 Bad Gateway</title></head>\n"); |
| bodystr.append("<body bgcolor=\"white\">\n"); |
| bodystr.append("<center><h1>502 Bad Gateway: Missing/Malformed " |
| "Content-Range</h1></center>"); |
| bodystr.append("<hr><center>ATS/"); |
| bodystr.append(TS_VERSION_STRING); |
| bodystr.append("</center>\n"); |
| bodystr.append("</body>\n"); |
| bodystr.append("</html>\n"); |
| |
| char hverstr[64]; |
| int const hlen = |
| snprintf(hverstr, sizeof(hverstr), "HTTP/%d.%d 502 Bad Gateway\r\n", TS_HTTP_MAJOR(httpver), TS_HTTP_MINOR(httpver)); |
| msg.append(hverstr, hlen); |
| |
| char clenstr[1024]; |
| int const clen = snprintf(clenstr, sizeof(clenstr), "%lu", bodystr.size()); |
| msg.append("Content-Length: "); |
| msg.append(clenstr, clen); |
| msg.append("\r\n"); |
| |
| msg.append("\r\n"); |
| msg.append(bodystr); |
| } |
| |
| return msg; |
| } |
| |
| void |
| form416HeaderAndBody(HttpHeader &header, int64_t const contentlen, std::string const &bodystr) |
| { |
| header.removeKey(TS_MIME_FIELD_LAST_MODIFIED, TS_MIME_LEN_LAST_MODIFIED); |
| header.removeKey(TS_MIME_FIELD_EXPIRES, TS_MIME_LEN_EXPIRES); |
| header.removeKey(TS_MIME_FIELD_ETAG, TS_MIME_LEN_ETAG); |
| header.removeKey(TS_MIME_FIELD_ACCEPT_RANGES, TS_MIME_LEN_ACCEPT_RANGES); |
| |
| header.setStatus(TS_HTTP_STATUS_REQUESTED_RANGE_NOT_SATISFIABLE); |
| char const *const reason = TSHttpHdrReasonLookup(TS_HTTP_STATUS_REQUESTED_RANGE_NOT_SATISFIABLE); |
| header.setReason(reason, strlen(reason)); |
| |
| char bufstr[256]; |
| int buflen = snprintf(bufstr, sizeof(bufstr), "%lu", bodystr.size()); |
| header.setKeyVal(TS_MIME_FIELD_CONTENT_LENGTH, TS_MIME_LEN_CONTENT_LENGTH, bufstr, buflen); |
| |
| static char const *const ctypestr = "text/html"; |
| static int const ctypelen = strlen(ctypestr); |
| header.setKeyVal(TS_MIME_FIELD_CONTENT_TYPE, TS_MIME_LEN_CONTENT_TYPE, ctypestr, ctypelen); |
| |
| buflen = snprintf(bufstr, 255, "*/%" PRId64, contentlen); |
| header.setKeyVal(TS_MIME_FIELD_CONTENT_RANGE, TS_MIME_LEN_CONTENT_RANGE, bufstr, buflen); |
| } |
