| Directory: | cvmfs/ |
|---|---|
| File: | cvmfs/url.cc |
| Date: | 2025-02-02 02:34:22 |
| Exec | Total | Coverage | |
|---|---|---|---|
| Lines: | 51 | 53 | 96.2% |
| Branches: | 47 | 73 | 64.4% |
| Line | Branch | Exec | Source |
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| 1 | /** | ||
| 2 | * This file is part of the CernVM File System. | ||
| 3 | */ | ||
| 4 | |||
| 5 | #include "url.h" | ||
| 6 | |||
| 7 | #include <algorithm> | ||
| 8 | |||
| 9 | #include "util/string.h" | ||
| 10 | |||
| 11 | const int Url::kDefaultPort = 80; | ||
| 12 | const char* Url::kDefaultProtocol = "http"; | ||
| 13 | |||
| 14 | 18 | Url* Url::Parse(const std::string& url, const std::string& default_protocol, | |
| 15 | int default_port) { | ||
| 16 |
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18 | if (url.empty()) { |
| 17 | 1 | return NULL; | |
| 18 | } | ||
| 19 | |||
| 20 | 17 | size_t cursor = 0; | |
| 21 | |||
| 22 | // Is there a protocol prefix? | ||
| 23 |
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17 | std::string protocol = default_protocol; |
| 24 | 17 | size_t sep_pos = url.find("://"); | |
| 25 |
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17 | if (sep_pos != std::string::npos) { |
| 26 |
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7 | protocol = url.substr(0, sep_pos); |
| 27 | 7 | cursor = sep_pos + 3; | |
| 28 | } | ||
| 29 | |||
| 30 | 17 | std::string host; | |
| 31 | 17 | std::string path; | |
| 32 | 17 | uint64_t port = default_port; | |
| 33 | |||
| 34 | // Try to find another ":", preceding a port number | ||
| 35 | 17 | size_t col_pos = url.find(":", cursor); | |
| 36 |
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17 | if (col_pos != std::string::npos) { |
| 37 | // Port number was given | ||
| 38 |
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7 | host = url.substr(cursor, col_pos - cursor); |
| 39 | 7 | cursor = col_pos + 1; | |
| 40 | |||
| 41 | 7 | size_t slash_pos = url.find("/", cursor); | |
| 42 |
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7 | if (slash_pos == 0) { |
| 43 | ✗ | return NULL; | |
| 44 | } | ||
| 45 | |||
| 46 | // Check that part between ":" and "/" or the end of the string is an | ||
| 47 | // unsigned number | ||
| 48 | 7 | size_t port_end = | |
| 49 |
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7 | slash_pos == std::string::npos ? std::string::npos : slash_pos - cursor; |
| 50 |
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7 | if (!String2Uint64Parse(url.substr(cursor, port_end), &port)) { |
| 51 | 5 | return NULL; | |
| 52 | } | ||
| 53 | |||
| 54 |
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2 | if (slash_pos != std::string::npos) { |
| 55 |
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1 | path = url.substr(slash_pos); |
| 56 | } | ||
| 57 | } else { | ||
| 58 | // No port number was given | ||
| 59 | 10 | size_t slash_pos = url.find("/", cursor); | |
| 60 |
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10 | if (slash_pos != std::string::npos) { |
| 61 |
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4 | host = url.substr(cursor, slash_pos - cursor); |
| 62 |
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4 | path = url.substr(slash_pos); |
| 63 | } else { | ||
| 64 |
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6 | host = url.substr(cursor); |
| 65 | } | ||
| 66 | } | ||
| 67 | |||
| 68 | // At the moment, host name validation is very basic | ||
| 69 |
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12 | if (!ValidateHost(host)) { |
| 70 | 4 | return NULL; | |
| 71 | } | ||
| 72 | |||
| 73 |
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8 | return new Url(protocol, host, path, port); |
| 74 | 17 | } | |
| 75 | |||
| 76 | 12 | bool Url::ValidateHost(const std::string& host) { | |
| 77 |
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12 | if (host.empty()) { |
| 78 | 3 | return false; | |
| 79 | } | ||
| 80 | |||
| 81 | // Host must not be just a number | ||
| 82 | uint64_t test; | ||
| 83 |
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9 | if (String2Uint64Parse(host, &test)) { |
| 84 | 1 | return false; | |
| 85 | } | ||
| 86 | |||
| 87 | 8 | return true; | |
| 88 | } | ||
| 89 | |||
| 90 | ✗ | Url::Url() : protocol_(), host_(), path_(), port_(), address_() {} | |
| 91 | |||
| 92 | 8 | Url::Url(const std::string& protocol, const std::string& host, | |
| 93 | 8 | const std::string& path, int port) | |
| 94 | 8 | : protocol_(protocol), | |
| 95 |
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8 | host_(host), |
| 96 |
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8 | path_(path), |
| 97 | 8 | port_(port), | |
| 98 | 8 | address_() { | |
| 99 |
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8 | if (port_ != kDefaultPort) { |
| 100 |
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3 | address_ = protocol + "://" + host + ":" + StringifyInt(port_) + path; |
| 101 | } else { | ||
| 102 |
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5 | address_ = protocol + "://" + host + path; |
| 103 | } | ||
| 104 | 8 | } | |
| 105 | 8 | Url::~Url() {} | |
| 106 |