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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
109 lines
3.3 KiB
Go
Vendored
109 lines
3.3 KiB
Go
Vendored
package jwt
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import (
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"encoding/base64"
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"encoding/json"
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"strings"
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"time"
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)
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// TimeFunc provides the current time when parsing token to validate "exp" claim (expiration time).
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// You can override it to use another time value. This is useful for testing or if your
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// server uses a different time zone than your tokens.
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var TimeFunc = time.Now
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// Parse methods use this callback function to supply
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// the key for verification. The function receives the parsed,
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// but unverified Token. This allows you to use properties in the
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// Header of the token (such as `kid`) to identify which key to use.
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type Keyfunc func(*Token) (interface{}, error)
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// A JWT Token. Different fields will be used depending on whether you're
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// creating or parsing/verifying a token.
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type Token struct {
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Raw string // The raw token. Populated when you Parse a token
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Method SigningMethod // The signing method used or to be used
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Header map[string]interface{} // The first segment of the token
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Claims Claims // The second segment of the token
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Signature string // The third segment of the token. Populated when you Parse a token
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Valid bool // Is the token valid? Populated when you Parse/Verify a token
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}
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// Create a new Token. Takes a signing method
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func New(method SigningMethod) *Token {
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return NewWithClaims(method, MapClaims{})
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}
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func NewWithClaims(method SigningMethod, claims Claims) *Token {
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return &Token{
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Header: map[string]interface{}{
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"typ": "JWT",
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"alg": method.Alg(),
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},
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Claims: claims,
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Method: method,
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}
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}
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// Get the complete, signed token
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func (t *Token) SignedString(key interface{}) (string, error) {
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var sig, sstr string
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var err error
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if sstr, err = t.SigningString(); err != nil {
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return "", err
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}
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if sig, err = t.Method.Sign(sstr, key); err != nil {
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return "", err
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}
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return strings.Join([]string{sstr, sig}, "."), nil
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}
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// Generate the signing string. This is the
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// most expensive part of the whole deal. Unless you
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// need this for something special, just go straight for
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// the SignedString.
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func (t *Token) SigningString() (string, error) {
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var err error
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parts := make([]string, 2)
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for i, _ := range parts {
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var jsonValue []byte
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if i == 0 {
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if jsonValue, err = json.Marshal(t.Header); err != nil {
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return "", err
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}
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} else {
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if jsonValue, err = json.Marshal(t.Claims); err != nil {
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return "", err
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}
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}
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parts[i] = EncodeSegment(jsonValue)
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}
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return strings.Join(parts, "."), nil
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}
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// Parse, validate, and return a token.
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// keyFunc will receive the parsed token and should return the key for validating.
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// If everything is kosher, err will be nil
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func Parse(tokenString string, keyFunc Keyfunc) (*Token, error) {
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return new(Parser).Parse(tokenString, keyFunc)
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}
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func ParseWithClaims(tokenString string, claims Claims, keyFunc Keyfunc) (*Token, error) {
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return new(Parser).ParseWithClaims(tokenString, claims, keyFunc)
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}
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// Encode JWT specific base64url encoding with padding stripped
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func EncodeSegment(seg []byte) string {
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return strings.TrimRight(base64.URLEncoding.EncodeToString(seg), "=")
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}
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// Decode JWT specific base64url encoding with padding stripped
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func DecodeSegment(seg string) ([]byte, error) {
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if l := len(seg) % 4; l > 0 {
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seg += strings.Repeat("=", 4-l)
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}
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return base64.URLEncoding.DecodeString(seg)
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}
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