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* Import github.com/git-lfs/lfs-test-server as lfs module base Imported commit is 3968aac269a77b73924649b9412ae03f7ccd3198 Removed: Dockerfile CONTRIBUTING.md mgmt* script/ vendor/ kvlogger.go .dockerignore .gitignore README.md * Remove config, add JWT support from github.com/mgit-at/lfs-test-server Imported commit f0cdcc5a01599c5a955dc1bbf683bb4acecdba83 * Add LFS settings * Add LFS meta object model * Add LFS routes and initialization * Import github.com/dgrijalva/jwt-go into vendor/ * Adapt LFS module: handlers, routing, meta store * Move LFS routes to /user/repo/info/lfs/* * Add request header checks to LFS BatchHandler / PostHandler * Implement LFS basic authentication * Rework JWT secret generation / load * Implement LFS SSH token authentication with JWT Specification: https://github.com/github/git-lfs/tree/master/docs/api * Integrate LFS settings into install process * Remove LFS objects when repository is deleted Only removes objects from content store when deleted repo is the only referencing repository * Make LFS module stateless Fixes bug where LFS would not work after installation without restarting Gitea * Change 500 'Internal Server Error' to 400 'Bad Request' * Change sql query to xorm call * Remove unneeded type from LFS module * Change internal imports to code.gitea.io/gitea/ * Add Gitea authors copyright * Change basic auth realm to "gitea-lfs" * Add unique indexes to LFS model * Use xorm count function in LFS check on repository delete * Return io.ReadCloser from content store and close after usage * Add LFS info to runWeb() * Export LFS content store base path * LFS file download from UI * Work around git-lfs client issue with unauthenticated requests Returning a dummy Authorization header for unauthenticated requests lets git-lfs client skip asking for auth credentials See: https://github.com/github/git-lfs/issues/1088 * Fix unauthenticated UI downloads from public repositories * Authentication check order, Finish LFS file view logic * Ignore LFS hooks if installed for current OS user Fixes Gitea UI actions for repositories tracking LFS files. Checks for minimum needed git version by parsing the semantic version string. * Hide LFS metafile diff from commit view, marking as binary * Show LFS notice if file in commit view is tracked * Add notbefore/nbf JWT claim * Correct lint suggestions - comments for structs and functions - Add comments to LFS model - Function comment for GetRandomBytesAsBase64 - LFS server function comments and lint variable suggestion * Move secret generation code out of conditional Ensures no LFS code may run with an empty secret * Do not hand out JWT tokens if LFS server support is disabled
135 lines
3.6 KiB
Go
Vendored
135 lines
3.6 KiB
Go
Vendored
package jwt
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import (
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"crypto/subtle"
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"fmt"
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"time"
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)
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// For a type to be a Claims object, it must just have a Valid method that determines
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// if the token is invalid for any supported reason
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type Claims interface {
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Valid() error
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}
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// Structured version of Claims Section, as referenced at
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// https://tools.ietf.org/html/rfc7519#section-4.1
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// See examples for how to use this with your own claim types
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type StandardClaims struct {
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Audience string `json:"aud,omitempty"`
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ExpiresAt int64 `json:"exp,omitempty"`
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Id string `json:"jti,omitempty"`
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IssuedAt int64 `json:"iat,omitempty"`
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Issuer string `json:"iss,omitempty"`
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NotBefore int64 `json:"nbf,omitempty"`
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Subject string `json:"sub,omitempty"`
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}
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// Validates time based claims "exp, iat, nbf".
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// There is no accounting for clock skew.
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// As well, if any of the above claims are not in the token, it will still
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// be considered a valid claim.
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func (c StandardClaims) Valid() error {
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vErr := new(ValidationError)
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now := TimeFunc().Unix()
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// The claims below are optional, by default, so if they are set to the
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// default value in Go, let's not fail the verification for them.
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if c.VerifyExpiresAt(now, false) == false {
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delta := time.Unix(now, 0).Sub(time.Unix(c.ExpiresAt, 0))
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vErr.Inner = fmt.Errorf("token is expired by %v", delta)
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vErr.Errors |= ValidationErrorExpired
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}
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if c.VerifyIssuedAt(now, false) == false {
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vErr.Inner = fmt.Errorf("Token used before issued")
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vErr.Errors |= ValidationErrorIssuedAt
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}
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if c.VerifyNotBefore(now, false) == false {
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vErr.Inner = fmt.Errorf("token is not valid yet")
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vErr.Errors |= ValidationErrorNotValidYet
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}
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if vErr.valid() {
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return nil
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}
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return vErr
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}
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// Compares the aud claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (c *StandardClaims) VerifyAudience(cmp string, req bool) bool {
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return verifyAud(c.Audience, cmp, req)
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}
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// Compares the exp claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (c *StandardClaims) VerifyExpiresAt(cmp int64, req bool) bool {
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return verifyExp(c.ExpiresAt, cmp, req)
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}
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// Compares the iat claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (c *StandardClaims) VerifyIssuedAt(cmp int64, req bool) bool {
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return verifyIat(c.IssuedAt, cmp, req)
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}
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// Compares the iss claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (c *StandardClaims) VerifyIssuer(cmp string, req bool) bool {
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return verifyIss(c.Issuer, cmp, req)
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}
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// Compares the nbf claim against cmp.
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// If required is false, this method will return true if the value matches or is unset
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func (c *StandardClaims) VerifyNotBefore(cmp int64, req bool) bool {
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return verifyNbf(c.NotBefore, cmp, req)
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}
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// ----- helpers
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func verifyAud(aud string, cmp string, required bool) bool {
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if aud == "" {
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return !required
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}
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if subtle.ConstantTimeCompare([]byte(aud), []byte(cmp)) != 0 {
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return true
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} else {
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return false
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}
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}
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func verifyExp(exp int64, now int64, required bool) bool {
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if exp == 0 {
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return !required
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}
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return now <= exp
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}
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func verifyIat(iat int64, now int64, required bool) bool {
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if iat == 0 {
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return !required
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}
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return now >= iat
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}
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func verifyIss(iss string, cmp string, required bool) bool {
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if iss == "" {
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return !required
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}
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if subtle.ConstantTimeCompare([]byte(iss), []byte(cmp)) != 0 {
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return true
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} else {
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return false
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}
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}
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func verifyNbf(nbf int64, now int64, required bool) bool {
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if nbf == 0 {
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return !required
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}
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return now >= nbf
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}
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