| 1 | package fasthttp
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| 2 |
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| 3 | import (
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| 4 | "strconv"
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| 5 | )
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| 6 |
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| 7 | const (
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| 8 | statusMessageMin = 100
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| 9 | statusMessageMax = 511
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| 10 | )
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| 11 |
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| 12 | // HTTP status codes were stolen from net/http.
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| 13 | const (
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| 14 | StatusContinue = 100 // RFC 7231, 6.2.1
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| 15 | StatusSwitchingProtocols = 101 // RFC 7231, 6.2.2
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| 16 | StatusProcessing = 102 // RFC 2518, 10.1
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| 17 | StatusEarlyHints = 103 // RFC 8297
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| 18 |
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| 19 | StatusOK = 200 // RFC 7231, 6.3.1
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| 20 | StatusCreated = 201 // RFC 7231, 6.3.2
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| 21 | StatusAccepted = 202 // RFC 7231, 6.3.3
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| 22 | StatusNonAuthoritativeInfo = 203 // RFC 7231, 6.3.4
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| 23 | StatusNoContent = 204 // RFC 7231, 6.3.5
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| 24 | StatusResetContent = 205 // RFC 7231, 6.3.6
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| 25 | StatusPartialContent = 206 // RFC 7233, 4.1
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| 26 | StatusMultiStatus = 207 // RFC 4918, 11.1
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| 27 | StatusAlreadyReported = 208 // RFC 5842, 7.1
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| 28 | StatusIMUsed = 226 // RFC 3229, 10.4.1
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| 29 |
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| 30 | StatusMultipleChoices = 300 // RFC 7231, 6.4.1
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| 31 | StatusMovedPermanently = 301 // RFC 7231, 6.4.2
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| 32 | StatusFound = 302 // RFC 7231, 6.4.3
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| 33 | StatusSeeOther = 303 // RFC 7231, 6.4.4
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| 34 | StatusNotModified = 304 // RFC 7232, 4.1
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| 35 | StatusUseProxy = 305 // RFC 7231, 6.4.5
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| 36 | _ = 306 // RFC 7231, 6.4.6 (Unused)
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| 37 | StatusTemporaryRedirect = 307 // RFC 7231, 6.4.7
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| 38 | StatusPermanentRedirect = 308 // RFC 7538, 3
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| 39 |
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| 40 | StatusBadRequest = 400 // RFC 7231, 6.5.1
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| 41 | StatusUnauthorized = 401 // RFC 7235, 3.1
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| 42 | StatusPaymentRequired = 402 // RFC 7231, 6.5.2
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| 43 | StatusForbidden = 403 // RFC 7231, 6.5.3
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| 44 | StatusNotFound = 404 // RFC 7231, 6.5.4
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| 45 | StatusMethodNotAllowed = 405 // RFC 7231, 6.5.5
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| 46 | StatusNotAcceptable = 406 // RFC 7231, 6.5.6
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| 47 | StatusProxyAuthRequired = 407 // RFC 7235, 3.2
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| 48 | StatusRequestTimeout = 408 // RFC 7231, 6.5.7
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| 49 | StatusConflict = 409 // RFC 7231, 6.5.8
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| 50 | StatusGone = 410 // RFC 7231, 6.5.9
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| 51 | StatusLengthRequired = 411 // RFC 7231, 6.5.10
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| 52 | StatusPreconditionFailed = 412 // RFC 7232, 4.2
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| 53 | StatusRequestEntityTooLarge = 413 // RFC 7231, 6.5.11
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| 54 | StatusRequestURITooLong = 414 // RFC 7231, 6.5.12
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| 55 | StatusUnsupportedMediaType = 415 // RFC 7231, 6.5.13
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| 56 | StatusRequestedRangeNotSatisfiable = 416 // RFC 7233, 4.4
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| 57 | StatusExpectationFailed = 417 // RFC 7231, 6.5.14
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| 58 | StatusTeapot = 418 // RFC 7168, 2.3.3
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| 59 | StatusMisdirectedRequest = 421 // RFC 7540, 9.1.2
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| 60 | StatusUnprocessableEntity = 422 // RFC 4918, 11.2
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| 61 | StatusLocked = 423 // RFC 4918, 11.3
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| 62 | StatusFailedDependency = 424 // RFC 4918, 11.4
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| 63 | StatusUpgradeRequired = 426 // RFC 7231, 6.5.15
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| 64 | StatusPreconditionRequired = 428 // RFC 6585, 3
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| 65 | StatusTooManyRequests = 429 // RFC 6585, 4
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| 66 | StatusRequestHeaderFieldsTooLarge = 431 // RFC 6585, 5
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| 67 | StatusUnavailableForLegalReasons = 451 // RFC 7725, 3
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| 68 |
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| 69 | StatusInternalServerError = 500 // RFC 7231, 6.6.1
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| 70 | StatusNotImplemented = 501 // RFC 7231, 6.6.2
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| 71 | StatusBadGateway = 502 // RFC 7231, 6.6.3
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| 72 | StatusServiceUnavailable = 503 // RFC 7231, 6.6.4
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| 73 | StatusGatewayTimeout = 504 // RFC 7231, 6.6.5
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| 74 | StatusHTTPVersionNotSupported = 505 // RFC 7231, 6.6.6
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| 75 | StatusVariantAlsoNegotiates = 506 // RFC 2295, 8.1
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| 76 | StatusInsufficientStorage = 507 // RFC 4918, 11.5
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| 77 | StatusLoopDetected = 508 // RFC 5842, 7.2
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| 78 | StatusNotExtended = 510 // RFC 2774, 7
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| 79 | StatusNetworkAuthenticationRequired = 511 // RFC 6585, 6
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| 80 | )
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| 81 |
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| 82 | var (
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| 83 | unknownStatusCode = "Unknown Status Code"
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| 84 |
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| 85 | statusMessages = []string{
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| 86 | StatusContinue: "Continue",
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| 87 | StatusSwitchingProtocols: "Switching Protocols",
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| 88 | StatusProcessing: "Processing",
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| 89 | StatusEarlyHints: "Early Hints",
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| 90 |
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| 91 | StatusOK: "OK",
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| 92 | StatusCreated: "Created",
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| 93 | StatusAccepted: "Accepted",
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| 94 | StatusNonAuthoritativeInfo: "Non-Authoritative Information",
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| 95 | StatusNoContent: "No Content",
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| 96 | StatusResetContent: "Reset Content",
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| 97 | StatusPartialContent: "Partial Content",
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| 98 | StatusMultiStatus: "Multi-Status",
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| 99 | StatusAlreadyReported: "Already Reported",
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| 100 | StatusIMUsed: "IM Used",
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| 101 |
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| 102 | StatusMultipleChoices: "Multiple Choices",
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| 103 | StatusMovedPermanently: "Moved Permanently",
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| 104 | StatusFound: "Found",
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| 105 | StatusSeeOther: "See Other",
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| 106 | StatusNotModified: "Not Modified",
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| 107 | StatusUseProxy: "Use Proxy",
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| 108 | StatusTemporaryRedirect: "Temporary Redirect",
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| 109 | StatusPermanentRedirect: "Permanent Redirect",
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| 110 |
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| 111 | StatusBadRequest: "Bad Request",
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| 112 | StatusUnauthorized: "Unauthorized",
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| 113 | StatusPaymentRequired: "Payment Required",
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| 114 | StatusForbidden: "Forbidden",
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| 115 | StatusNotFound: "Not Found",
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| 116 | StatusMethodNotAllowed: "Method Not Allowed",
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| 117 | StatusNotAcceptable: "Not Acceptable",
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| 118 | StatusProxyAuthRequired: "Proxy Authentication Required",
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| 119 | StatusRequestTimeout: "Request Timeout",
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| 120 | StatusConflict: "Conflict",
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| 121 | StatusGone: "Gone",
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| 122 | StatusLengthRequired: "Length Required",
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| 123 | StatusPreconditionFailed: "Precondition Failed",
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| 124 | StatusRequestEntityTooLarge: "Request Entity Too Large",
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| 125 | StatusRequestURITooLong: "Request URI Too Long",
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| 126 | StatusUnsupportedMediaType: "Unsupported Media Type",
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| 127 | StatusRequestedRangeNotSatisfiable: "Requested Range Not Satisfiable",
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| 128 | StatusExpectationFailed: "Expectation Failed",
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| 129 | StatusTeapot: "I'm a teapot",
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| 130 | StatusMisdirectedRequest: "Misdirected Request",
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| 131 | StatusUnprocessableEntity: "Unprocessable Entity",
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| 132 | StatusLocked: "Locked",
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| 133 | StatusFailedDependency: "Failed Dependency",
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| 134 | StatusUpgradeRequired: "Upgrade Required",
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| 135 | StatusPreconditionRequired: "Precondition Required",
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| 136 | StatusTooManyRequests: "Too Many Requests",
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| 137 | StatusRequestHeaderFieldsTooLarge: "Request Header Fields Too Large",
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| 138 | StatusUnavailableForLegalReasons: "Unavailable For Legal Reasons",
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| 139 |
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| 140 | StatusInternalServerError: "Internal Server Error",
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| 141 | StatusNotImplemented: "Not Implemented",
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| 142 | StatusBadGateway: "Bad Gateway",
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| 143 | StatusServiceUnavailable: "Service Unavailable",
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| 144 | StatusGatewayTimeout: "Gateway Timeout",
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| 145 | StatusHTTPVersionNotSupported: "HTTP Version Not Supported",
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| 146 | StatusVariantAlsoNegotiates: "Variant Also Negotiates",
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| 147 | StatusInsufficientStorage: "Insufficient Storage",
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| 148 | StatusLoopDetected: "Loop Detected",
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| 149 | StatusNotExtended: "Not Extended",
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| 150 | StatusNetworkAuthenticationRequired: "Network Authentication Required",
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| 151 | }
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| 152 | )
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| 153 |
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| 154 | // StatusMessage returns HTTP status message for the given status code.
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| 155 | func StatusMessage(statusCode int) string {
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| 156 | if statusCode < statusMessageMin || statusCode > statusMessageMax {
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| 157 | return unknownStatusCode
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| 158 | }
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| 159 |
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| 160 | if s := statusMessages[statusCode]; s != "" {
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| 161 | return s
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| 162 | }
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| 163 | return unknownStatusCode
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| 164 | }
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| 165 |
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| 166 | func formatStatusLine(dst []byte, protocol []byte, statusCode int, statusText []byte) []byte {
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| 167 | dst = append(dst, protocol...)
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| 168 | dst = append(dst, ' ')
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| 169 | dst = strconv.AppendInt(dst, int64(statusCode), 10)
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| 170 | dst = append(dst, ' ')
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| 171 | if len(statusText) == 0 {
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| 172 | dst = append(dst, s2b(StatusMessage(statusCode))...)
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| 173 | } else {
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| 174 | dst = append(dst, statusText...)
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| 175 | }
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| 176 | return append(dst, strCRLF...)
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| 177 | }
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