mirror of
https://github.com/superseriousbusiness/gotosocial
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365b575341
* [feature] add TOTP two-factor authentication (2FA) * use byteutil.S2B to avoid allocations when comparing + generating password hashes * don't bother with string conversion for consts * use io.ReadFull * use MustGenerateSecret for backup codes * rename util functions
43 lines
1014 B
Go
43 lines
1014 B
Go
package barcode
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import "image"
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const (
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TypeAztec = "Aztec"
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TypeCodabar = "Codabar"
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TypeCode128 = "Code 128"
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TypeCode39 = "Code 39"
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TypeCode93 = "Code 93"
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TypeDataMatrix = "DataMatrix"
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TypeEAN8 = "EAN 8"
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TypeEAN13 = "EAN 13"
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TypePDF = "PDF417"
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TypeQR = "QR Code"
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Type2of5 = "2 of 5"
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Type2of5Interleaved = "2 of 5 (interleaved)"
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)
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// Contains some meta information about a barcode
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type Metadata struct {
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// the name of the barcode kind
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CodeKind string
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// contains 1 for 1D barcodes or 2 for 2D barcodes
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Dimensions byte
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}
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// a rendered and encoded barcode
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type Barcode interface {
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image.Image
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// returns some meta information about the barcode
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Metadata() Metadata
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// the data that was encoded in this barcode
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Content() string
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}
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// Additional interface that some barcodes might implement to provide
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// the value of its checksum.
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type BarcodeIntCS interface {
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Barcode
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CheckSum() int
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}
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