Merge pull request #126 from dgrijalva/dg/request

Move request processing stuff to sub-package

errors.go

@@ -6,9 +6,8 @@ import (
 
 // Error constants
 var (
-	ErrInvalidKey       = errors.New("key is invalid or of invalid type")
-	ErrHashUnavailable  = errors.New("the requested hash function is unavailable")
-	ErrNoTokenInRequest = errors.New("no token present in request")
+	ErrInvalidKey      = errors.New("key is invalid or of invalid type")
+	ErrHashUnavailable = errors.New("the requested hash function is unavailable")
 )
 
 // The errors that might occur when parsing and validating a token

parser_test.go

@@ -4,13 +4,12 @@ import (
 	"crypto/rsa"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
-	"net/http"
 	"reflect"
 	"testing"
 	"time"
 
 	"github.com/dgrijalva/jwt-go"
+	"github.com/dgrijalva/jwt-go/test"
 )
 
 var (
@@ -21,6 +20,10 @@ var (
 	nilKeyFunc        jwt.Keyfunc = nil
 )
 
+func init() {
+	jwtTestDefaultKey = test.LoadRSAPublicKeyFromDisk("test/sample_key.pub")
+}
+
 var jwtTestData = []struct {
 	name        string
 	tokenString string
@@ -142,42 +145,14 @@ var jwtTestData = []struct {
 	},
 }
 
-func init() {
-	if keyData, e := ioutil.ReadFile("test/sample_key.pub"); e == nil {
-		if jwtTestDefaultKey, e = jwt.ParseRSAPublicKeyFromPEM(keyData); e != nil {
-			panic(e)
-		}
-	} else {
-		panic(e)
-	}
-}
-
-func makeSample(c jwt.Claims) string {
-	keyData, e := ioutil.ReadFile("test/sample_key")
-	if e != nil {
-		panic(e.Error())
-	}
-	key, e := jwt.ParseRSAPrivateKeyFromPEM(keyData)
-	if e != nil {
-		panic(e.Error())
-	}
-
-	token := jwt.NewWithClaims(jwt.SigningMethodRS256, c)
-	s, e := token.SignedString(key)
-
-	if e != nil {
-		panic(e.Error())
-	}
-
-	return s
-}
-
 func TestParser_Parse(t *testing.T) {
+	privateKey := test.LoadRSAPrivateKeyFromDisk("test/sample_key")
+
 	// Iterate over test data set and run tests
 	for _, data := range jwtTestData {
 		// If the token string is blank, use helper function to generate string
 		if data.tokenString == "" {
-			data.tokenString = makeSample(data.claims)
+			data.tokenString = test.MakeSampleToken(data.claims, privateKey)
 		}
 
 		// Parse the token
@@ -224,39 +199,6 @@ func TestParser_Parse(t *testing.T) {
 	}
 }
 
-func TestParseRequest(t *testing.T) {
-	// Bearer token request
-	for _, data := range jwtTestData {
-		// FIXME: custom parsers are not supported by this helper.  skip tests that require them
-		if data.parser != nil {
-			t.Logf("Skipping [%v].  Custom parsers are not supported by ParseRequest", data.name)
-			continue
-		}
-
-		if data.tokenString == "" {
-			data.tokenString = makeSample(data.claims)
-		}
-
-		r, _ := http.NewRequest("GET", "/", nil)
-		r.Header.Set("Authorization", fmt.Sprintf("Bearer %v", data.tokenString))
-		token, err := jwt.ParseFromRequestWithClaims(r, data.keyfunc, jwt.MapClaims{})
-
-		if token == nil {
-			t.Errorf("[%v] Token was not found: %v", data.name, err)
-			continue
-		}
-		if !reflect.DeepEqual(data.claims, token.Claims) {
-			t.Errorf("[%v] Claims mismatch. Expecting: %v  Got: %v", data.name, data.claims, token.Claims)
-		}
-		if data.valid && err != nil {
-			t.Errorf("[%v] Error while verifying token: %v", data.name, err)
-		}
-		if !data.valid && err == nil {
-			t.Errorf("[%v] Invalid token passed validation", data.name)
-		}
-	}
-}
-
 // Helper method for benchmarking various methods
 func benchmarkSigning(b *testing.B, method jwt.SigningMethod, key interface{}) {
 	t := jwt.New(method)

request/request.go

@@ -0,0 +1,39 @@
+package request
+
+import (
+	"errors"
+	"github.com/dgrijalva/jwt-go"
+	"net/http"
+	"strings"
+)
+
+// Errors
+var (
+	ErrNoTokenInRequest = errors.New("no token present in request")
+)
+
+// Try to find the token in an http.Request.
+// This method will call ParseMultipartForm if there's no token in the header.
+// Currently, it looks in the Authorization header as well as
+// looking for an 'access_token' request parameter in req.Form.
+func ParseFromRequest(req *http.Request, keyFunc jwt.Keyfunc) (token *jwt.Token, err error) {
+	return ParseFromRequestWithClaims(req, keyFunc, &jwt.MapClaims{})
+}
+
+func ParseFromRequestWithClaims(req *http.Request, keyFunc jwt.Keyfunc, claims jwt.Claims) (token *jwt.Token, err error) {
+	// Look for an Authorization header
+	if ah := req.Header.Get("Authorization"); ah != "" {
+		// Should be a bearer token
+		if len(ah) > 6 && strings.ToUpper(ah[0:7]) == "BEARER " {
+			return jwt.ParseWithClaims(ah[7:], keyFunc, claims)
+		}
+	}
+
+	// Look for "access_token" parameter
+	req.ParseMultipartForm(10e6)
+	if tokStr := req.Form.Get("access_token"); tokStr != "" {
+		return jwt.ParseWithClaims(tokStr, keyFunc, claims)
+	}
+
+	return nil, ErrNoTokenInRequest
+}

request/request_test.go

@@ -0,0 +1,84 @@
+package request
+
+import (
+	"fmt"
+	"github.com/dgrijalva/jwt-go"
+	"github.com/dgrijalva/jwt-go/test"
+	"net/http"
+	"net/url"
+	"reflect"
+	"strings"
+	"testing"
+)
+
+var requestTestData = []struct {
+	name    string
+	claims  jwt.MapClaims
+	headers map[string]string
+	query   url.Values
+	valid   bool
+}{
+	{
+		"oauth bearer token - header",
+		jwt.MapClaims{"foo": "bar"},
+		map[string]string{"Authorization": "Bearer %v"},
+		url.Values{},
+		true,
+	},
+	{
+		"oauth bearer token - url",
+		jwt.MapClaims{"foo": "bar"},
+		map[string]string{},
+		url.Values{"access_token": {"%v"}},
+		true,
+	},
+}
+
+func TestParseRequest(t *testing.T) {
+	// load keys from disk
+	privateKey := test.LoadRSAPrivateKeyFromDisk("../test/sample_key")
+	publicKey := test.LoadRSAPublicKeyFromDisk("../test/sample_key.pub")
+	keyfunc := func(*jwt.Token) (interface{}, error) {
+		return publicKey, nil
+	}
+
+	// Bearer token request
+	for _, data := range requestTestData {
+		// Make token from claims
+		tokenString := test.MakeSampleToken(data.claims, privateKey)
+
+		// Make query string
+		for k, vv := range data.query {
+			for i, v := range vv {
+				if strings.Contains(v, "%v") {
+					data.query[k][i] = fmt.Sprintf(v, tokenString)
+				}
+			}
+		}
+
+		// Make request from test struct
+		r, _ := http.NewRequest("GET", fmt.Sprintf("/?%v", data.query.Encode()), nil)
+		for k, v := range data.headers {
+			if strings.Contains(v, "%v") {
+				r.Header.Set(k, fmt.Sprintf(v, tokenString))
+			} else {
+				r.Header.Set(k, tokenString)
+			}
+		}
+		token, err := ParseFromRequestWithClaims(r, keyfunc, jwt.MapClaims{})
+
+		if token == nil {
+			t.Errorf("[%v] Token was not found: %v", data.name, err)
+			continue
+		}
+		if !reflect.DeepEqual(data.claims, token.Claims) {
+			t.Errorf("[%v] Claims mismatch. Expecting: %v  Got: %v", data.name, data.claims, token.Claims)
+		}
+		if data.valid && err != nil {
+			t.Errorf("[%v] Error while verifying token: %v", data.name, err)
+		}
+		if !data.valid && err == nil {
+			t.Errorf("[%v] Invalid token passed validation", data.name)
+		}
+	}
+}

test/helpers.go

@@ -0,0 +1,42 @@
+package test
+
+import (
+	"crypto/rsa"
+	"github.com/dgrijalva/jwt-go"
+	"io/ioutil"
+)
+
+func LoadRSAPrivateKeyFromDisk(location string) *rsa.PrivateKey {
+	keyData, e := ioutil.ReadFile(location)
+	if e != nil {
+		panic(e.Error())
+	}
+	key, e := jwt.ParseRSAPrivateKeyFromPEM(keyData)
+	if e != nil {
+		panic(e.Error())
+	}
+	return key
+}
+
+func LoadRSAPublicKeyFromDisk(location string) *rsa.PublicKey {
+	keyData, e := ioutil.ReadFile(location)
+	if e != nil {
+		panic(e.Error())
+	}
+	key, e := jwt.ParseRSAPublicKeyFromPEM(keyData)
+	if e != nil {
+		panic(e.Error())
+	}
+	return key
+}
+
+func MakeSampleToken(c jwt.Claims, key interface{}) string {
+	token := jwt.NewWithClaims(jwt.SigningMethodRS256, c)
+	s, e := token.SignedString(key)
+
+	if e != nil {
+		panic(e.Error())
+	}
+
+	return s
+}

token.go

@@ -3,7 +3,6 @@ package jwt
 import (
 	"encoding/base64"
 	"encoding/json"
-	"net/http"
 	"strings"
 	"time"
 )
@@ -94,32 +93,6 @@ func ParseWithClaims(tokenString string, keyFunc Keyfunc, claims Claims) (*Token
 	return new(Parser).ParseWithClaims(tokenString, keyFunc, claims)
 }
 
-// Try to find the token in an http.Request.
-// This method will call ParseMultipartForm if there's no token in the header.
-// Currently, it looks in the Authorization header as well as
-// looking for an 'access_token' request parameter in req.Form.
-func ParseFromRequest(req *http.Request, keyFunc Keyfunc) (token *Token, err error) {
-	return ParseFromRequestWithClaims(req, keyFunc, &MapClaims{})
-}
-
-func ParseFromRequestWithClaims(req *http.Request, keyFunc Keyfunc, claims Claims) (token *Token, err error) {
-	// Look for an Authorization header
-	if ah := req.Header.Get("Authorization"); ah != "" {
-		// Should be a bearer token
-		if len(ah) > 6 && strings.ToUpper(ah[0:7]) == "BEARER " {
-			return ParseWithClaims(ah[7:], keyFunc, claims)
-		}
-	}
-
-	// Look for "access_token" parameter
-	req.ParseMultipartForm(10e6)
-	if tokStr := req.Form.Get("access_token"); tokStr != "" {
-		return ParseWithClaims(tokStr, keyFunc, claims)
-	}
-
-	return nil, ErrNoTokenInRequest
-}
-
 // Encode JWT specific base64url encoding with padding stripped
 func EncodeSegment(seg []byte) string {
 	return strings.TrimRight(base64.URLEncoding.EncodeToString(seg), "=")