93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
// Copyright 2017 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/net/url.h"
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#include <string.h>
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#include "base/logging.h"
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#include "base/strings/stringprintf.h"
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namespace crashpad {
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std::string URLEncode(const std::string& url) {
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const char kSafeCharacters[] = "-_.~";
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std::string encoded;
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encoded.reserve(url.length());
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for (unsigned char character : url) {
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if (((character >= 'A') && (character <= 'Z')) ||
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((character >= 'a') && (character <= 'z')) ||
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((character >= '0') && (character <= '9')) ||
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(strchr(kSafeCharacters, character) != nullptr)) {
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// Copy unreserved character.
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encoded += character;
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} else {
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// Escape character.
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encoded += base::StringPrintf("%%%02X", character);
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}
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}
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return encoded;
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}
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bool CrackURL(const std::string& url,
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std::string* scheme,
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std::string* host,
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std::string* port,
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std::string* rest) {
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std::string result_scheme;
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std::string result_port;
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size_t host_start;
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static constexpr const char kHttp[] = "http://";
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static constexpr const char kHttps[] = "https://";
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if (url.compare(0, strlen(kHttp), kHttp) == 0) {
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result_scheme = "http";
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result_port = "80";
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host_start = strlen(kHttp);
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} else if (url.compare(0, strlen(kHttps), kHttps) == 0) {
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result_scheme = "https";
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result_port = "443";
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host_start = strlen(kHttps);
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} else {
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LOG(ERROR) << "expecting http or https";
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return false;
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}
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// Find the start of the resource.
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size_t resource_start = url.find('/', host_start);
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if (resource_start == std::string::npos) {
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LOG(ERROR) << "no resource component";
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return false;
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}
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scheme->swap(result_scheme);
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port->swap(result_port);
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std::string host_and_possible_port =
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url.substr(host_start, resource_start - host_start);
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size_t colon = host_and_possible_port.find(':');
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if (colon == std::string::npos) {
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*host = host_and_possible_port;
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} else {
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*host = host_and_possible_port.substr(0, colon);
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*port = host_and_possible_port.substr(colon + 1);
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}
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*rest = url.substr(resource_start);
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return true;
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}
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} // namespace crashpad
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