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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| //go:build !darwin | ||
| //go:build !darwin && !windows | ||
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| package token | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package token | ||
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| import ( | ||
| "crypto/aes" | ||
| "crypto/cipher" | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "runtime" | ||
| "strings" | ||
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| "github.com/billgraziano/dpapi" | ||
| log "github.com/sirupsen/logrus" | ||
| ) | ||
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| type LocalState struct { | ||
| OsCrypt struct { | ||
| EncryptedKey string `json:"encrypted_key"` | ||
| } `json:"os_crypt"` | ||
| } | ||
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| var versions = []string{"Discord", "discordcanary", "discordptb"} | ||
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| func GetToken() (string, error) { | ||
| log.Warnf("discord must not be running to retrieve your token under %v", runtime.GOOS) | ||
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| appdata, def := os.LookupEnv("APPDATA") | ||
| if !def { | ||
| return "", ErrorNoAppdataPath | ||
| } | ||
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| for _, ver := range versions { | ||
| path := filepath.Join(appdata, ver, "Local Storage/leveldb") | ||
| log.Debugf("searching for leveldb database in %v", path) | ||
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| safeTokens, err := getSafeStorageTokens(path) | ||
| if err != nil { | ||
| // try another database | ||
| log.Error(err) | ||
| continue | ||
| } | ||
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| path = filepath.Join(appdata, ver, "Local State") | ||
| key, err := getDecryptionKey(path) | ||
| if err != nil { | ||
| log.Error(err) | ||
| continue | ||
| } | ||
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| for _, safeToken := range safeTokens { | ||
| // strip rickroll | ||
| safeToken := strings.TrimPrefix(safeToken, "dQw4w9WgXcQ:") | ||
| token, err := decryptToken(key, safeToken) | ||
| if err != nil { | ||
| // try next token | ||
| log.Error(err) | ||
| continue | ||
| } | ||
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| return strings.Trim(token, "\n"), nil | ||
| } | ||
| } | ||
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| return "", ErrorTokenRetrieve | ||
| } | ||
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| func getDecryptionKey(path string) ([]byte, error) { | ||
| file, err := os.Open(path) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("token: error reading local state: %w", err) | ||
| } | ||
| defer file.Close() | ||
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| var localState LocalState | ||
| if err := json.NewDecoder(file).Decode(&localState); err != nil { | ||
| return nil, fmt.Errorf("token: error unmarshaling local state: %w", err) | ||
| } | ||
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| decoded, err := base64.StdEncoding.DecodeString(localState.OsCrypt.EncryptedKey) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("token: error decoding: %w", err) | ||
| } | ||
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| decrypted, err := dpapi.DecryptBytes(decoded[len(dpapiPrefix):]) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("token: error decrypting with dpapi: %w", err) | ||
| } | ||
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| return []byte(decrypted), nil | ||
| } | ||
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| func decryptToken(key []byte, safeToken string) (string, error) { | ||
| safeTokenBytes, err := base64.StdEncoding.DecodeString(safeToken) | ||
| if err != nil { | ||
| return "", fmt.Errorf("token: error decoding safeStorage token: %w", err) | ||
| } | ||
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| block, err := aes.NewCipher(key) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| aesgcm, err := cipher.NewGCM(block) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| nonce := safeTokenBytes[len(v10Prefix) : len(v10Prefix)+12] | ||
| ciphertext := safeTokenBytes[len(v10Prefix)+12:] | ||
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| plaintext, err := aesgcm.Open(nil, []byte(nonce), []byte(ciphertext), nil) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
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| return string(plaintext), nil | ||
| } |
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