Split net/spdy into core and chromium subdirectories.

net/spdy/spdy_http_utils.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "net/spdy/spdy_http_utils.h"
-
-#include <vector>
-
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/time/time.h"
-#include "net/base/escape.h"
-#include "net/base/load_flags.h"
-#include "net/base/url_util.h"
-#include "net/http/http_request_headers.h"
-#include "net/http/http_request_info.h"
-#include "net/http/http_response_headers.h"
-#include "net/http/http_response_info.h"
-#include "net/http/http_util.h"
-#include "net/spdy/platform/api/spdy_string.h"
-#include "net/spdy/platform/api/spdy_string_piece.h"
-
-namespace net {
-
-namespace {
-
-void AddSpdyHeader(const SpdyString& name,
-                   const SpdyString& value,
-                   SpdyHeaderBlock* headers) {
-  if (headers->find(name) == headers->end()) {
-    (*headers)[name] = value;
-  } else {
-    SpdyString joint_value = (*headers)[name].as_string();
-    joint_value.append(1, '\0');
-    joint_value.append(value);
-    (*headers)[name] = joint_value;
-  }
-}
-
-}  // namespace
-
-bool SpdyHeadersToHttpResponse(const SpdyHeaderBlock& headers,
-                               HttpResponseInfo* response) {
-  // The ":status" header is required.
-  SpdyHeaderBlock::const_iterator it = headers.find(":status");
-  if (it == headers.end())
-    return false;
-  SpdyString status = it->second.as_string();
-  SpdyString raw_headers("HTTP/1.1 ");
-  raw_headers.append(status);
-  raw_headers.push_back('\0');
-  for (it = headers.begin(); it != headers.end(); ++it) {
-    // For each value, if the server sends a NUL-separated
-    // list of values, we separate that back out into
-    // individual headers for each value in the list.
-    // e.g.
-    //    Set-Cookie "foo\0bar"
-    // becomes
-    //    Set-Cookie: foo\0
-    //    Set-Cookie: bar\0
-    SpdyString value = it->second.as_string();
-    size_t start = 0;
-    size_t end = 0;
-    do {
-      end = value.find('\0', start);
-      SpdyString tval;
-      if (end != value.npos)
-        tval = value.substr(start, (end - start));
-      else
-        tval = value.substr(start);
-      if (it->first[0] == ':')
-        raw_headers.append(it->first.as_string().substr(1));
-      else
-        raw_headers.append(it->first.as_string());
-      raw_headers.push_back(':');
-      raw_headers.append(tval);
-      raw_headers.push_back('\0');
-      start = end + 1;
-    } while (end != value.npos);
-  }
-
-  response->headers = new HttpResponseHeaders(raw_headers);
-  response->was_fetched_via_spdy = true;
-  return true;
-}
-
-void CreateSpdyHeadersFromHttpRequest(const HttpRequestInfo& info,
-                                      const HttpRequestHeaders& request_headers,
-                                      bool direct,
-                                      SpdyHeaderBlock* headers) {
-  (*headers)[":method"] = info.method;
-  if (info.method == "CONNECT") {
-    (*headers)[":authority"] = GetHostAndPort(info.url);
-  } else {
-    (*headers)[":authority"] = GetHostAndOptionalPort(info.url);
-    (*headers)[":scheme"] = info.url.scheme();
-    (*headers)[":path"] = info.url.PathForRequest();
-  }
-
-  HttpRequestHeaders::Iterator it(request_headers);
-  while (it.GetNext()) {
-    SpdyString name = base::ToLowerASCII(it.name());
-    if (name.empty() || name[0] == ':' || name == "connection" ||
-        name == "proxy-connection" || name == "transfer-encoding" ||
-        name == "host") {
-      continue;
-    }
-    AddSpdyHeader(name, it.value(), headers);
-  }
-}
-
-static_assert(HIGHEST - LOWEST < 4 && HIGHEST - MINIMUM_PRIORITY < 6,
-              "request priority incompatible with spdy");
-
-SpdyPriority ConvertRequestPriorityToSpdyPriority(
-    const RequestPriority priority) {
-  DCHECK_GE(priority, MINIMUM_PRIORITY);
-  DCHECK_LE(priority, MAXIMUM_PRIORITY);
-  return static_cast<SpdyPriority>(MAXIMUM_PRIORITY - priority +
-                                   kV3HighestPriority);
-}
-
-NET_EXPORT_PRIVATE RequestPriority
-ConvertSpdyPriorityToRequestPriority(SpdyPriority priority) {
-  // Handle invalid values gracefully.
-  return ((priority - kV3HighestPriority) >
-          (MAXIMUM_PRIORITY - MINIMUM_PRIORITY))
-             ? IDLE
-             : static_cast<RequestPriority>(MAXIMUM_PRIORITY -
-                                            (priority - kV3HighestPriority));
-}
-
-NET_EXPORT_PRIVATE void ConvertHeaderBlockToHttpRequestHeaders(
-    const SpdyHeaderBlock& spdy_headers,
-    HttpRequestHeaders* http_headers) {
-  for (const auto& it : spdy_headers) {
-    SpdyStringPiece key = it.first;
-    if (key[0] == ':') {
-      key.remove_prefix(1);
-    }
-    std::vector<SpdyStringPiece> values = base::SplitStringPiece(
-        it.second, "\0", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
-    for (const auto& value : values) {
-      http_headers->SetHeader(key, value);
-    }
-  }
-}
-
-GURL GetUrlFromHeaderBlock(const SpdyHeaderBlock& headers) {
-  SpdyHeaderBlock::const_iterator it = headers.find(":scheme");
-  if (it == headers.end())
-    return GURL();
-  SpdyString url = it->second.as_string();
-  url.append("://");
-
-  it = headers.find(":authority");
-  if (it == headers.end())
-    return GURL();
-  url.append(it->second.as_string());
-
-  it = headers.find(":path");
-  if (it == headers.end())
-    return GURL();
-  url.append(it->second.as_string());
-  return GURL(url);
-}
-
-}  // namespace net