Add 2fa for authentification (#383)
Fix user tests Add swagger docs Fix lint Add totp check when logging in Make totp enrollment work Add migration for totp table go mod vendor Add routes for totp routes Add route handler for totp routes Add basic implementation to enroll a user in totp Co-authored-by: kolaente <k@knt.li> Reviewed-on: https://kolaente.dev/vikunja/api/pulls/383
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44
vendor/github.com/boombuler/barcode/utils/reedsolomon.go
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vendor/github.com/boombuler/barcode/utils/reedsolomon.go
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package utils
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import (
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"sync"
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)
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type ReedSolomonEncoder struct {
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gf *GaloisField
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polynomes []*GFPoly
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m *sync.Mutex
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}
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func NewReedSolomonEncoder(gf *GaloisField) *ReedSolomonEncoder {
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return &ReedSolomonEncoder{
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gf, []*GFPoly{NewGFPoly(gf, []int{1})}, new(sync.Mutex),
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}
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}
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func (rs *ReedSolomonEncoder) getPolynomial(degree int) *GFPoly {
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rs.m.Lock()
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defer rs.m.Unlock()
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if degree >= len(rs.polynomes) {
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last := rs.polynomes[len(rs.polynomes)-1]
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for d := len(rs.polynomes); d <= degree; d++ {
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next := last.Multiply(NewGFPoly(rs.gf, []int{1, rs.gf.ALogTbl[d-1+rs.gf.Base]}))
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rs.polynomes = append(rs.polynomes, next)
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last = next
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}
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}
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return rs.polynomes[degree]
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}
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func (rs *ReedSolomonEncoder) Encode(data []int, eccCount int) []int {
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generator := rs.getPolynomial(eccCount)
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info := NewGFPoly(rs.gf, data)
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info = info.MultByMonominal(eccCount, 1)
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_, remainder := info.Divide(generator)
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result := make([]int, eccCount)
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numZero := int(eccCount) - len(remainder.Coefficients)
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copy(result[numZero:], remainder.Coefficients)
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return result
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}
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