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http.go
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http.go
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// ⚡️ Fiber is an Express inspired web framework written in Go with ☕️
// 🤖 Github Repository: https://github.com/gofiber/fiber
// 📌 API Documentation: https://docs.gofiber.io
package utils
import (
"mime"
"strings"
)
const MIMEOctetStream = "application/octet-stream"
// GetMIME returns the content-type of a file extension
func GetMIME(extension string) string {
if len(extension) == 0 {
return ""
}
var foundMime string
if extension[0] == '.' {
foundMime = mimeExtensions[extension[1:]]
} else {
foundMime = mimeExtensions[extension]
}
if len(foundMime) == 0 {
if extension[0] != '.' {
foundMime = mime.TypeByExtension("." + extension)
} else {
foundMime = mime.TypeByExtension(extension)
}
if foundMime == "" {
return MIMEOctetStream
}
}
return foundMime
}
// ParseVendorSpecificContentType check if content type is vendor specific and
// if it is parsable to any known types. If its not vendor specific then returns
// the original content type.
func ParseVendorSpecificContentType(cType string) string {
plusIndex := strings.Index(cType, "+")
if plusIndex == -1 {
return cType
}
var parsableType string
if semiColonIndex := strings.Index(cType, ";"); semiColonIndex == -1 {
parsableType = cType[plusIndex+1:]
} else if plusIndex < semiColonIndex {
parsableType = cType[plusIndex+1 : semiColonIndex]
} else {
return cType[:semiColonIndex]
}
slashIndex := strings.Index(cType, "/")
if slashIndex == -1 {
return cType
}
return cType[0:slashIndex+1] + parsableType
}
// limits for HTTP statuscodes
const (
statusMessageMin = 100
statusMessageMax = 511
)
// StatusMessage returns the correct message for the provided HTTP statuscode
func StatusMessage(status int) string {
if status < statusMessageMin || status > statusMessageMax {
return ""
}
return statusMessage[status]
}
// NOTE: Keep this in sync with fiber's status code list
var statusMessage = []string{
100: "Continue", // StatusContinue
101: "Switching Protocols", // StatusSwitchingProtocols
102: "Processing", // StatusProcessing
103: "Early Hints", // StatusEarlyHints
200: "OK", // StatusOK
201: "Created", // StatusCreated
202: "Accepted", // StatusAccepted
203: "Non-Authoritative Information", // StatusNonAuthoritativeInformation
204: "No Content", // StatusNoContent
205: "Reset Content", // StatusResetContent
206: "Partial Content", // StatusPartialContent
207: "Multi-Status", // StatusMultiStatus
208: "Already Reported", // StatusAlreadyReported
226: "IM Used", // StatusIMUsed
300: "Multiple Choices", // StatusMultipleChoices
301: "Moved Permanently", // StatusMovedPermanently
302: "Found", // StatusFound
303: "See Other", // StatusSeeOther
304: "Not Modified", // StatusNotModified
305: "Use Proxy", // StatusUseProxy
306: "Switch Proxy", // StatusSwitchProxy
307: "Temporary Redirect", // StatusTemporaryRedirect
308: "Permanent Redirect", // StatusPermanentRedirect
400: "Bad Request", // StatusBadRequest
401: "Unauthorized", // StatusUnauthorized
402: "Payment Required", // StatusPaymentRequired
403: "Forbidden", // StatusForbidden
404: "Not Found", // StatusNotFound
405: "Method Not Allowed", // StatusMethodNotAllowed
406: "Not Acceptable", // StatusNotAcceptable
407: "Proxy Authentication Required", // StatusProxyAuthRequired
408: "Request Timeout", // StatusRequestTimeout
409: "Conflict", // StatusConflict
410: "Gone", // StatusGone
411: "Length Required", // StatusLengthRequired
412: "Precondition Failed", // StatusPreconditionFailed
413: "Request Entity Too Large", // StatusRequestEntityTooLarge
414: "Request URI Too Long", // StatusRequestURITooLong
415: "Unsupported Media Type", // StatusUnsupportedMediaType
416: "Requested Range Not Satisfiable", // StatusRequestedRangeNotSatisfiable
417: "Expectation Failed", // StatusExpectationFailed
418: "I'm a teapot", // StatusTeapot
421: "Misdirected Request", // StatusMisdirectedRequest
422: "Unprocessable Entity", // StatusUnprocessableEntity
423: "Locked", // StatusLocked
424: "Failed Dependency", // StatusFailedDependency
425: "Too Early", // StatusTooEarly
426: "Upgrade Required", // StatusUpgradeRequired
428: "Precondition Required", // StatusPreconditionRequired
429: "Too Many Requests", // StatusTooManyRequests
431: "Request Header Fields Too Large", // StatusRequestHeaderFieldsTooLarge
451: "Unavailable For Legal Reasons", // StatusUnavailableForLegalReasons
500: "Internal Server Error", // StatusInternalServerError
501: "Not Implemented", // StatusNotImplemented
502: "Bad Gateway", // StatusBadGateway
503: "Service Unavailable", // StatusServiceUnavailable
504: "Gateway Timeout", // StatusGatewayTimeout
505: "HTTP Version Not Supported", // StatusHTTPVersionNotSupported
506: "Variant Also Negotiates", // StatusVariantAlsoNegotiates
507: "Insufficient Storage", // StatusInsufficientStorage
508: "Loop Detected", // StatusLoopDetected
510: "Not Extended", // StatusNotExtended
511: "Network Authentication Required", // StatusNetworkAuthenticationRequired
}
// MIME types were copied from https://github.com/nginx/nginx/blob/67d2a9541826ecd5db97d604f23460210fd3e517/conf/mime.types with the following updates:
// - Use "application/xml" instead of "text/xml" as recommended per https://datatracker.ietf.org/doc/html/rfc7303#section-4.1
// - Use "text/javascript" instead of "application/javascript" as recommended per https://www.rfc-editor.org/rfc/rfc9239#name-text-javascript
var mimeExtensions = map[string]string{
"html": "text/html",
"htm": "text/html",
"shtml": "text/html",
"css": "text/css",
"xml": "application/xml",
"gif": "image/gif",
"jpeg": "image/jpeg",
"jpg": "image/jpeg",
"js": "text/javascript",
"atom": "application/atom+xml",
"rss": "application/rss+xml",
"mml": "text/mathml",
"txt": "text/plain",
"jad": "text/vnd.sun.j2me.app-descriptor",
"wml": "text/vnd.wap.wml",
"htc": "text/x-component",
"avif": "image/avif",
"png": "image/png",
"svg": "image/svg+xml",
"svgz": "image/svg+xml",
"tif": "image/tiff",
"tiff": "image/tiff",
"wbmp": "image/vnd.wap.wbmp",
"webp": "image/webp",
"ico": "image/x-icon",
"jng": "image/x-jng",
"bmp": "image/x-ms-bmp",
"woff": "font/woff",
"woff2": "font/woff2",
"jar": "application/java-archive",
"war": "application/java-archive",
"ear": "application/java-archive",
"json": "application/json",
"hqx": "application/mac-binhex40",
"doc": "application/msword",
"pdf": "application/pdf",
"ps": "application/postscript",
"eps": "application/postscript",
"ai": "application/postscript",
"rtf": "application/rtf",
"m3u8": "application/vnd.apple.mpegurl",
"kml": "application/vnd.google-earth.kml+xml",
"kmz": "application/vnd.google-earth.kmz",
"xls": "application/vnd.ms-excel",
"eot": "application/vnd.ms-fontobject",
"ppt": "application/vnd.ms-powerpoint",
"odg": "application/vnd.oasis.opendocument.graphics",
"odp": "application/vnd.oasis.opendocument.presentation",
"ods": "application/vnd.oasis.opendocument.spreadsheet",
"odt": "application/vnd.oasis.opendocument.text",
"pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation",
"xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"wmlc": "application/vnd.wap.wmlc",
"wasm": "application/wasm",
"7z": "application/x-7z-compressed",
"cco": "application/x-cocoa",
"jardiff": "application/x-java-archive-diff",
"jnlp": "application/x-java-jnlp-file",
"run": "application/x-makeself",
"pl": "application/x-perl",
"pm": "application/x-perl",
"prc": "application/x-pilot",
"pdb": "application/x-pilot",
"rar": "application/x-rar-compressed",
"rpm": "application/x-redhat-package-manager",
"sea": "application/x-sea",
"swf": "application/x-shockwave-flash",
"sit": "application/x-stuffit",
"tcl": "application/x-tcl",
"tk": "application/x-tcl",
"der": "application/x-x509-ca-cert",
"pem": "application/x-x509-ca-cert",
"crt": "application/x-x509-ca-cert",
"xpi": "application/x-xpinstall",
"xhtml": "application/xhtml+xml",
"xspf": "application/xspf+xml",
"zip": "application/zip",
"zst": "application/zstd",
"bin": "application/octet-stream",
"exe": "application/octet-stream",
"dll": "application/octet-stream",
"deb": "application/octet-stream",
"dmg": "application/octet-stream",
"iso": "application/octet-stream",
"img": "application/octet-stream",
"msi": "application/octet-stream",
"msp": "application/octet-stream",
"msm": "application/octet-stream",
"mid": "audio/midi",
"midi": "audio/midi",
"kar": "audio/midi",
"mp3": "audio/mpeg",
"ogg": "audio/ogg",
"m4a": "audio/x-m4a",
"ra": "audio/x-realaudio",
"3gpp": "video/3gpp",
"3gp": "video/3gpp",
"ts": "video/mp2t",
"mp4": "video/mp4",
"mpeg": "video/mpeg",
"mpg": "video/mpeg",
"mov": "video/quicktime",
"webm": "video/webm",
"flv": "video/x-flv",
"m4v": "video/x-m4v",
"mng": "video/x-mng",
"asx": "video/x-ms-asf",
"asf": "video/x-ms-asf",
"wmv": "video/x-ms-wmv",
"avi": "video/x-msvideo",
}