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package utils
import (
"errors"
"regexp"
"strings"
"time"
)
const (
// RFC3339Zero is the default value for time.Time.Unix().
RFC3339Zero = int64(-62135596800)
clean = "clean"
tagged = "tagged"
unknown = "unknown"
)
const (
period = "."
https = "https"
wss = "wss"
)
// X.509 consts.
const (
BlockTypeRSAPrivateKey = "RSA PRIVATE KEY"
BlockTypeRSAPublicKey = "RSA PUBLIC KEY"
BlockTypeECDSAPrivateKey = "EC PRIVATE KEY"
BlockTypePKCS8PrivateKey = "PRIVATE KEY"
BlockTypePKIXPublicKey = "PUBLIC KEY"
BlockTypeCertificate = "CERTIFICATE"
BlockTypeCertificateRequest = "CERTIFICATE REQUEST"
KeyAlgorithmRSA = "RSA"
KeyAlgorithmECDSA = "ECDSA"
KeyAlgorithmEd25519 = "ED25519"
HashAlgorithmSHA1 = "SHA1"
HashAlgorithmSHA256 = "SHA256"
HashAlgorithmSHA384 = "SHA384"
HashAlgorithmSHA512 = "SHA512"
EllipticCurveP224 = "P224"
EllipticCurveP256 = "P256"
EllipticCurveP384 = "P384"
EllipticCurveP521 = "P521"
EllipticCurveAltP224 = "P-224"
EllipticCurveAltP256 = "P-256"
EllipticCurveAltP384 = "P-384"
EllipticCurveAltP521 = "P-521"
)
const (
// Hour is an int based representation of the time unit.
Hour = time.Minute * 60
// Day is an int based representation of the time unit.
Day = Hour * 24
// Week is an int based representation of the time unit.
Week = Day * 7
// Year is an int based representation of the time unit.
Year = Day * 365
// Month is an int based representation of the time unit.
Month = Year / 12
)
var (
standardDurationUnits = []string{"ns", "us", "µs", "μs", "ms", "s", "m", "h"}
reDurationSeconds = regexp.MustCompile(`^\d+$`)
reDurationStandard = regexp.MustCompile(`(?P<Duration>[1-9]\d*?)(?P<Unit>[^\d\s]+)`)
)
// Duration unit types.
const (
DurationUnitDays = "d"
DurationUnitWeeks = "w"
DurationUnitMonths = "M"
DurationUnitYears = "y"
)
// Number of hours in particular measurements of time.
const (
HoursInDay = 24
HoursInWeek = HoursInDay * 7
HoursInMonth = HoursInDay * 30
HoursInYear = HoursInDay * 365
)
const (
// timeUnixEpochAsMicrosoftNTEpoch represents the unix epoch as a Microsoft NT Epoch.
// The Microsoft NT Epoch is ticks since Jan 1, 1601 (1 tick is 100ns).
timeUnixEpochAsMicrosoftNTEpoch uint64 = 116444736000000000
)
const (
// CharSetAlphabeticLower are literally just valid alphabetic lowercase printable ASCII chars.
CharSetAlphabeticLower = "abcdefghijklmnopqrstuvwxyz"
// CharSetAlphabeticUpper are literally just valid alphabetic uppercase printable ASCII chars.
CharSetAlphabeticUpper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
// CharSetAlphabetic are literally just valid alphabetic printable ASCII chars.
CharSetAlphabetic = CharSetAlphabeticLower + CharSetAlphabeticUpper
// CharSetNumeric are literally just valid numeric chars.
CharSetNumeric = "0123456789"
// CharSetNumericHex are literally just valid hexadecimal printable ASCII chars.
CharSetNumericHex = CharSetNumeric + "ABCDEF"
// CharSetSymbolic are literally just valid symbolic printable ASCII chars.
CharSetSymbolic = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"
// CharSetSymbolicRFC3986Unreserved are RFC3986 unreserved symbol characters.
// See https://www.rfc-editor.org/rfc/rfc3986#section-2.3.
CharSetSymbolicRFC3986Unreserved = "-._~"
// CharSetAlphaNumeric are literally just valid alphanumeric printable ASCII chars.
CharSetAlphaNumeric = CharSetAlphabetic + CharSetNumeric
// CharSetASCII are literally just valid printable ASCII chars.
CharSetASCII = CharSetAlphabetic + CharSetNumeric + CharSetSymbolic
// CharSetRFC3986Unreserved are RFC3986 unreserved characters.
// See https://www.rfc-editor.org/rfc/rfc3986#section-2.3.
CharSetRFC3986Unreserved = CharSetAlphabetic + CharSetNumeric + CharSetSymbolicRFC3986Unreserved
)
var htmlEscaper = strings.NewReplacer(
"&", "&",
"<", "<",
">", ">",
`"`, """,
"'", "'",
)
// ErrTimeoutReached error thrown when a timeout is reached.
var ErrTimeoutReached = errors.New("timeout reached")
const (
windows = "windows"
errFmtLinuxNotFound = "open %s: no such file or directory"
)
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