15068141810

Committed 16 May 2025 12:11PM UTC coverage: 45.358% (-1.0%) from 46.375%

Build # 15068141810

Build Type

Pull #57

github

Committed by

web-flow

Commit Message

Update README.md

Co-authored-by: Tim Smyth <33017641+pulledtim@users.noreply.github.com>

Pull Request Pull Request #57: Support request byValue and byReference and presentationDefinition

Run Details

150 of 289 new or added lines in 7 files covered. (51.9%)

40 existing lines in 5 files now uncovered.

1202 of 2650 relevant lines covered (45.36%)

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73.86

/openapi/api_api.go

/*
 * vcverifier
 *
 * Backend component to verify credentials
 *
 * API version: 0.0.1
 * Generated by: OpenAPI Generator (https://openapi-generator.tech)
 */

package openapi

import (
        "encoding/base64"
        "fmt"
        "net/http"
        "strings"

        "github.com/fiware/VCVerifier/common"
        "github.com/fiware/VCVerifier/logging"
        "github.com/fiware/VCVerifier/verifier"
        "github.com/trustbloc/vc-go/verifiable"

        "github.com/gin-gonic/gin"
)

var apiVerifier verifier.Verifier
var presentationParser verifier.PresentationParser

var ErrorMessagNoGrantType = ErrorMessage{"no_grant_type_provided", "Token requests require a grant_type."}
var ErrorMessageUnsupportedGrantType = ErrorMessage{"unsupported_grant_type", "Provided grant_type is not supported by the implementation."}
var ErrorMessageNoCode = ErrorMessage{"no_code_provided", "Token requests require a code."}
var ErrorMessageNoRedircetUri = ErrorMessage{"no_redirect_uri_provided", "Token requests require a redirect_uri."}
var ErrorMessageNoState = ErrorMessage{"no_state_provided", "Authentication requires a state provided as query parameter."}
var ErrorMessageNoScope = ErrorMessage{"no_scope_provided", "Authentication requires a scope provided as a form parameter."}
var ErrorMessageNoToken = ErrorMessage{"no_token_provided", "Authentication requires a token provided as a form parameter."}
var ErrorMessageNoPresentationSubmission = ErrorMessage{"no_presentation_submission_provided", "Authentication requires a presentation submission provided as a form parameter."}
var ErrorMessageNoCallback = ErrorMessage{"NoCallbackProvided", "A callback address has to be provided as query-parameter."}
var ErrorMessageUnableToDecodeToken = ErrorMessage{"invalid_token", "Token could not be decoded."}
var ErrorMessageUnableToDecodeCredential = ErrorMessage{"invalid_token", "Could not read the credential(s) inside the token."}
var ErrorMessageUnableToDecodeHolder = ErrorMessage{"invalid_token", "Could not read the holder inside the token."}
var ErrorMessageNoSuchSession = ErrorMessage{"no_session", "Session with the requested id is not available."}

func getApiVerifier() verifier.Verifier {
        if apiVerifier == nil {
                apiVerifier = verifier.GetVerifier()
        }
        return apiVerifier
}

func getPresentationParser() verifier.PresentationParser {
        if presentationParser == nil {
                presentationParser = verifier.GetPresentationParser()
        }
        return presentationParser
}

// GetToken - Token endpoint to exchange the authorization code with the actual JWT.
func GetToken(c *gin.Context) {

        logging.Log().Debugf("%v", c.Request)
        grantType, grantTypeExists := c.GetPostForm("grant_type")
        if !grantTypeExists {
                logging.Log().Debug("No grant_type present in the request.")
                c.AbortWithStatusJSON(400, ErrorMessagNoGrantType)
                return
        }

        if grantType == common.TYPE_CODE {
                handleTokenTypeCode(c)
        } else if grantType == common.TYPE_VP_TOKEN {
                handleTokenTypeVPToken(c, c.GetHeader("client_id"))
        } else {
                c.AbortWithStatusJSON(400, ErrorMessageUnsupportedGrantType)
        }
}

// GetToken - Token endpoint to exchange the authorization code with the actual JWT.
func GetTokenForService(c *gin.Context) {

        logging.Log().Debugf("%v", c.Request)
        grantType, grantTypeExists := c.GetPostForm("grant_type")
        if !grantTypeExists {
                logging.Log().Debug("No grant_type present in the request.")
                c.AbortWithStatusJSON(400, ErrorMessagNoGrantType)
                return
        }

        if grantType == common.TYPE_CODE {
                handleTokenTypeCode(c)
        } else if grantType == common.TYPE_VP_TOKEN {
                handleTokenTypeVPToken(c, c.Param("service_id"))
        } else {
                c.AbortWithStatusJSON(400, ErrorMessageUnsupportedGrantType)
        }
}

func handleTokenTypeVPToken(c *gin.Context, clientId string) {
        var requestBody TokenRequestBody

        vpToken, vpTokenExists := c.GetPostForm("vp_token")
        if !vpTokenExists {
                logging.Log().Debug("No vp token present in the request.")
                c.AbortWithStatusJSON(400, ErrorMessageNoToken)
                return
        }

        logging.Log().Warnf("Got token %s", vpToken)

        // not used at the moment
        // presentationSubmission, presentationSubmissionExists := c.GetPostForm("presentation_submission")
        // if !presentationSubmissionExists {
        //        logging.Log().Debug("No presentation submission present in the request.")
        //        c.AbortWithStatusJSON(400, ErrorMessageNoPresentationSubmission)
        //        return
        //}

        scope, scopeExists := c.GetPostForm("scope")
        if !scopeExists {
                logging.Log().Debug("No scope present in the request.")
                c.AbortWithStatusJSON(400, ErrorMessageNoScope)
                return
        }

        presentation, err := extractVpFromToken(c, vpToken)
        if err != nil {
                logging.Log().Warnf("Was not able to extract the credentials from the vp_token. E: %v", err)
                return
        }

        scopes := strings.Split(scope, ",")

        // Subject is empty since multiple VCs with different subjects can be provided
        expiration, signedToken, err := getApiVerifier().GenerateToken(clientId, "", clientId, scopes, presentation)
        if err != nil {
                logging.Log().Error("Failure during generating M2M token: ", err)
                c.AbortWithStatusJSON(400, err)
                return
        }
        response := TokenResponse{"Bearer", float32(expiration), signedToken, requestBody.Scope, ""}
        logging.Log().Infof("Generated and signed token: %v", response)
        c.JSON(http.StatusOK, response)
}

func handleTokenTypeCode(c *gin.Context) {

        code, codeExists := c.GetPostForm("code")
        if !codeExists {
                logging.Log().Debug("No code present in the request.")
                c.AbortWithStatusJSON(400, ErrorMessageNoCode)
                return
        }

        redirectUri, redirectUriExists := c.GetPostForm("redirect_uri")
        if !redirectUriExists {
                logging.Log().Debug("No redircet_uri present in the request.")
                c.AbortWithStatusJSON(400, ErrorMessageNoRedircetUri)
                return
        }
        jwt, expiration, err := getApiVerifier().GetToken(code, redirectUri)

        if err != nil {
                c.AbortWithStatusJSON(403, ErrorMessage{Summary: err.Error()})
                return
        }

        c.JSON(http.StatusOK, TokenResponse{TokenType: "Bearer", ExpiresIn: float32(expiration), AccessToken: jwt})
}

// StartSIOPSameDevice - Starts the siop flow for credentials hold by the same device
func StartSIOPSameDevice(c *gin.Context) {
        state, stateExists := c.GetQuery("state")
        if !stateExists {
                logging.Log().Debugf("No state was provided.")
                c.AbortWithStatusJSON(400, ErrorMessage{"no_state_provided", "Authentication requires a state provided as query parameter."})
                return
        }
        redirectPath, redirectPathExists := c.GetQuery("redirect_path")
        if !redirectPathExists {
                redirectPath = "/"
        }

        protocol := "https"
        if c.Request.TLS == nil {
                protocol = "http"
        }

        clientId, clientIdExists := c.GetQuery("client_id")
        if !clientIdExists {
                logging.Log().Infof("Start a login flow for a not specified client.")
        }

        requestMode, requestModeExists := c.GetQuery("request_mode")
        if !requestModeExists {
                logging.Log().Infof("Using default request mode %s.", DEFAULT_REQUEST_MODE)
                requestMode = DEFAULT_REQUEST_MODE
        }

        redirect, err := getApiVerifier().StartSameDeviceFlow(c.Request.Host, protocol, state, redirectPath, clientId, requestMode)
        if err != nil {
                logging.Log().Warnf("Error starting the same-device flow. Err: %v", err)
                c.AbortWithStatusJSON(500, ErrorMessage{err.Error(), "Was not able to start the same device flow."})
                return
        }
        c.Redirect(302, redirect)
}

// VerifierAPIAuthenticationResponse - Stores the credential for the given session
func VerifierAPIAuthenticationResponse(c *gin.Context) {
        var state string
        stateForm, stateFormExists := c.GetPostForm("state")
        stateQuery, stateQueryExists := c.GetQuery("state")
        if !stateFormExists && !stateQueryExists {
                c.AbortWithStatusJSON(400, ErrorMessageNoState)
                return
        }
        if stateFormExists {
                state = stateForm
        } else {
                // allow the state submitted through a query parameter for backwards-compatibility
                state = stateQuery
        }

        vptoken, tokenExists := c.GetPostForm("vp_token")
        if !tokenExists {
                logging.Log().Info("No token was provided.")
                c.AbortWithStatusJSON(400, ErrorMessageNoToken)
                return
        }

        presentation, err := extractVpFromToken(c, vptoken)
        if err != nil {
                logging.Log().Warnf("Was not able to extract the presentation from the vp_token.")
                return
        }
        handleAuthenticationResponse(c, state, presentation)
}

// GetVerifierAPIAuthenticationResponse - Stores the credential for the given session
func GetVerifierAPIAuthenticationResponse(c *gin.Context) {
        state, stateExists := c.GetQuery("state")
        if !stateExists {
                c.AbortWithStatusJSON(400, ErrorMessageNoState)
                return
        }
        vpToken, tokenExists := c.GetQuery("vp_token")
        if !tokenExists {
                logging.Log().Info("No token was provided.")
                c.AbortWithStatusJSON(400, ErrorMessageNoToken)
                return
        }
        presentation, err := extractVpFromToken(c, vpToken)
        if err != nil {
                logging.Log().Warnf("Was not able to extract the presentation from the vp_token.")
                return
        }
        handleAuthenticationResponse(c, state, presentation)
}

// GetRequestByReference - Get the request object by reference
func GetRequestByReference(c *gin.Context) {
        sessionId := c.Param("id")

        jwt, err := verifier.GetVerifier().GetRequestObject(sessionId)
        if err != nil {
                logging.Log().Debugf("No request for  %s. Err: %v", sessionId, err)
                c.AbortWithStatusJSON(404, ErrorMessageNoSuchSession)
                return
        }

        c.String(http.StatusOK, jwt)
}

func extractVpFromToken(c *gin.Context, vpToken string) (parsedPresentation *verifiable.Presentation, err error) {

        tokenBytes := decodeVpString(vpToken)

        parsedPresentation, err = getPresentationParser().ParsePresentation(tokenBytes)
        if err != nil {
                logging.Log().Infof("Was not able to parse the token %s. Err: %v", vpToken, err)
                c.AbortWithStatusJSON(400, ErrorMessageUnableToDecodeToken)
                return
        }
        return
}

// decodeVpString - In newer versions of OID4VP the token is not encoded as a whole but only its segments separately. This function covers the older and newer versions
func decodeVpString(vpToken string) (tokenBytes []byte) {
        tokenBytes, err := base64.RawURLEncoding.DecodeString(vpToken)
        if err != nil {
                return []byte(vpToken)
        }
        return tokenBytes
}

func handleAuthenticationResponse(c *gin.Context, state string, presentation *verifiable.Presentation) {

        sameDeviceResponse, err := getApiVerifier().AuthenticationResponse(state, presentation)
        if err != nil {
                logging.Log().Warnf("Was not able to fullfil the authentication response. Err: %v", err)
                c.AbortWithStatusJSON(400, ErrorMessage{Summary: err.Error()})
                return
        }
        if sameDeviceResponse != (verifier.SameDeviceResponse{}) {
                c.Redirect(302, fmt.Sprintf("%s?state=%s&code=%s", sameDeviceResponse.RedirectTarget, sameDeviceResponse.SessionId, sameDeviceResponse.Code))
                return
        }
        logging.Log().Debugf("Successfully authenticated %s.", state)
        c.JSON(http.StatusOK, gin.H{})
}

// VerifierAPIJWKS - Provides the public keys for the given verifier, to be used for verifing the JWTs
func VerifierAPIJWKS(c *gin.Context) {
        c.JSON(http.StatusOK, getApiVerifier().GetJWKS())
}

// VerifierAPIOpenID
func VerifierAPIOpenIDConfiguration(c *gin.Context) {

        metadata, err := getApiVerifier().GetOpenIDConfiguration(c.Param("service_id"))
        if err != nil {
                c.AbortWithStatusJSON(500, ErrorMessage{err.Error(), "Was not able to generate the OpenID metadata."})
                return
        }
        c.JSON(http.StatusOK, metadata)
}

// VerifierAPIStartSIOP - Initiates the siop flow and returns the 'openid://...' connection string
func VerifierAPIStartSIOP(c *gin.Context) {
        state, stateExists := c.GetQuery("state")
        if !stateExists {
                c.AbortWithStatusJSON(400, ErrorMessageNoState)
                // early exit
                return
        }

        callback, callbackExists := c.GetQuery("client_callback")
        if !callbackExists {
                c.AbortWithStatusJSON(400, ErrorMessageNoCallback)
                // early exit
                return
        }
        protocol := "https"
        if c.Request.TLS == nil {
                protocol = "http"
        }
        clientId, clientIdExists := c.GetQuery("client_id")
        if !clientIdExists {
                logging.Log().Infof("Start a login flow for a not specified client.")
        }

        requestMode, requestModeExists := c.GetQuery("request_mode")
        if !requestModeExists {
                logging.Log().Infof("Using default request mode %s.", DEFAULT_REQUEST_MODE)
                requestMode = DEFAULT_REQUEST_MODE
        }

        connectionString, err := getApiVerifier().StartSiopFlow(c.Request.Host, protocol, callback, state, clientId, requestMode)
        if err != nil {
                c.AbortWithStatusJSON(500, ErrorMessage{err.Error(), "Was not able to generate the connection string."})
                return
        }
        c.String(http.StatusOK, connectionString)
}

1	/*
2	* vcverifier
3	*
4	* Backend component to verify credentials
5	*
6	* API version: 0.0.1
7	* Generated by: OpenAPI Generator (https://openapi-generator.tech)
8	*/
9
10	package openapi
11
12	import (
13	"encoding/base64"
14	"fmt"
15	"net/http"
16	"strings"
17
18	"github.com/fiware/VCVerifier/common"
19	"github.com/fiware/VCVerifier/logging"
20	"github.com/fiware/VCVerifier/verifier"
21	"github.com/trustbloc/vc-go/verifiable"
22
23	"github.com/gin-gonic/gin"
24	)
25
26	var apiVerifier verifier.Verifier
27	var presentationParser verifier.PresentationParser
28
29	var ErrorMessagNoGrantType = ErrorMessage{"no_grant_type_provided", "Token requests require a grant_type."}
30	var ErrorMessageUnsupportedGrantType = ErrorMessage{"unsupported_grant_type", "Provided grant_type is not supported by the implementation."}
31	var ErrorMessageNoCode = ErrorMessage{"no_code_provided", "Token requests require a code."}
32	var ErrorMessageNoRedircetUri = ErrorMessage{"no_redirect_uri_provided", "Token requests require a redirect_uri."}
33	var ErrorMessageNoState = ErrorMessage{"no_state_provided", "Authentication requires a state provided as query parameter."}
34	var ErrorMessageNoScope = ErrorMessage{"no_scope_provided", "Authentication requires a scope provided as a form parameter."}
35	var ErrorMessageNoToken = ErrorMessage{"no_token_provided", "Authentication requires a token provided as a form parameter."}
36	var ErrorMessageNoPresentationSubmission = ErrorMessage{"no_presentation_submission_provided", "Authentication requires a presentation submission provided as a form parameter."}
37	var ErrorMessageNoCallback = ErrorMessage{"NoCallbackProvided", "A callback address has to be provided as query-parameter."}
38	var ErrorMessageUnableToDecodeToken = ErrorMessage{"invalid_token", "Token could not be decoded."}
39	var ErrorMessageUnableToDecodeCredential = ErrorMessage{"invalid_token", "Could not read the credential(s) inside the token."}
40	var ErrorMessageUnableToDecodeHolder = ErrorMessage{"invalid_token", "Could not read the holder inside the token."}
41	var ErrorMessageNoSuchSession = ErrorMessage{"no_session", "Session with the requested id is not available."}
42
43	func getApiVerifier() verifier.Verifier {	1✔
44	if apiVerifier == nil {	1✔
45	apiVerifier = verifier.GetVerifier()	×
46	}	×
47	return apiVerifier	1✔
48	}
49
50	func getPresentationParser() verifier.PresentationParser {	1✔
51	if presentationParser == nil {	1✔
52	presentationParser = verifier.GetPresentationParser()	×
53	}	×
54	return presentationParser	1✔
55	}
56
57	// GetToken - Token endpoint to exchange the authorization code with the actual JWT.
58	func GetToken(c *gin.Context) {	1✔
59		1✔
60	logging.Log().Debugf("%v", c.Request)	1✔
61	grantType, grantTypeExists := c.GetPostForm("grant_type")	1✔
62	if !grantTypeExists {	2✔
63	logging.Log().Debug("No grant_type present in the request.")	1✔
64	c.AbortWithStatusJSON(400, ErrorMessagNoGrantType)	1✔
65	return	1✔
66	}	1✔
67
68	if grantType == common.TYPE_CODE {	2✔
69	handleTokenTypeCode(c)	1✔
70	} else if grantType == common.TYPE_VP_TOKEN {	3✔
71	handleTokenTypeVPToken(c, c.GetHeader("client_id"))	1✔
72	} else {	2✔
73	c.AbortWithStatusJSON(400, ErrorMessageUnsupportedGrantType)	1✔
74	}	1✔
75	}
76
77	// GetToken - Token endpoint to exchange the authorization code with the actual JWT.
78	func GetTokenForService(c *gin.Context) {	×
79		×
80	logging.Log().Debugf("%v", c.Request)	×
81	grantType, grantTypeExists := c.GetPostForm("grant_type")	×
82	if !grantTypeExists {	×
83	logging.Log().Debug("No grant_type present in the request.")	×
84	c.AbortWithStatusJSON(400, ErrorMessagNoGrantType)	×
85	return	×
86	}	×
87
88	if grantType == common.TYPE_CODE {	×
89	handleTokenTypeCode(c)	×
90	} else if grantType == common.TYPE_VP_TOKEN {	×
91	handleTokenTypeVPToken(c, c.Param("service_id"))	×
92	} else {	×
93	c.AbortWithStatusJSON(400, ErrorMessageUnsupportedGrantType)	×
94	}	×
95	}
96
97	func handleTokenTypeVPToken(c *gin.Context, clientId string) {	1✔
98	var requestBody TokenRequestBody	1✔
99		1✔
100	vpToken, vpTokenExists := c.GetPostForm("vp_token")	1✔
101	if !vpTokenExists {	2✔
102	logging.Log().Debug("No vp token present in the request.")	1✔
103	c.AbortWithStatusJSON(400, ErrorMessageNoToken)	1✔
104	return	1✔
105	}	1✔
106
107	logging.Log().Warnf("Got token %s", vpToken)	1✔
108		1✔
109	// not used at the moment	1✔
110	// presentationSubmission, presentationSubmissionExists := c.GetPostForm("presentation_submission")	1✔
111	// if !presentationSubmissionExists {	1✔
112	// logging.Log().Debug("No presentation submission present in the request.")	1✔
113	// c.AbortWithStatusJSON(400, ErrorMessageNoPresentationSubmission)	1✔
114	// return	1✔
115	//}	1✔
116		1✔
117	scope, scopeExists := c.GetPostForm("scope")	1✔
118	if !scopeExists {	2✔
119	logging.Log().Debug("No scope present in the request.")	1✔
120	c.AbortWithStatusJSON(400, ErrorMessageNoScope)	1✔
121	return	1✔
122	}	1✔
123
124	presentation, err := extractVpFromToken(c, vpToken)	1✔
125	if err != nil {	1✔
126	logging.Log().Warnf("Was not able to extract the credentials from the vp_token. E: %v", err)	×
127	return	×
128	}	×
129
130	scopes := strings.Split(scope, ",")	1✔
131		1✔
132	// Subject is empty since multiple VCs with different subjects can be provided	1✔
133	expiration, signedToken, err := getApiVerifier().GenerateToken(clientId, "", clientId, scopes, presentation)	1✔
134	if err != nil {	1✔
135	logging.Log().Error("Failure during generating M2M token: ", err)	×
136	c.AbortWithStatusJSON(400, err)	×
137	return	×
138	}	×
139	response := TokenResponse{"Bearer", float32(expiration), signedToken, requestBody.Scope, ""}	1✔
140	logging.Log().Infof("Generated and signed token: %v", response)	1✔
141	c.JSON(http.StatusOK, response)	1✔
142	}
143
144	func handleTokenTypeCode(c *gin.Context) {	1✔
145		1✔
146	code, codeExists := c.GetPostForm("code")	1✔
147	if !codeExists {	2✔
148	logging.Log().Debug("No code present in the request.")	1✔
149	c.AbortWithStatusJSON(400, ErrorMessageNoCode)	1✔
150	return	1✔
151	}	1✔
152
153	redirectUri, redirectUriExists := c.GetPostForm("redirect_uri")	1✔
154	if !redirectUriExists {	2✔
155	logging.Log().Debug("No redircet_uri present in the request.")	1✔
156	c.AbortWithStatusJSON(400, ErrorMessageNoRedircetUri)	1✔
157	return	1✔
158	}	1✔
159	jwt, expiration, err := getApiVerifier().GetToken(code, redirectUri)	1✔
160		1✔
161	if err != nil {	2✔
162	c.AbortWithStatusJSON(403, ErrorMessage{Summary: err.Error()})	1✔
163	return	1✔
164	}	1✔
165
166	c.JSON(http.StatusOK, TokenResponse{TokenType: "Bearer", ExpiresIn: float32(expiration), AccessToken: jwt})	1✔
167	}
168
169	// StartSIOPSameDevice - Starts the siop flow for credentials hold by the same device
170	func StartSIOPSameDevice(c *gin.Context) {	1✔
171	state, stateExists := c.GetQuery("state")	1✔
172	if !stateExists {	2✔
173	logging.Log().Debugf("No state was provided.")	1✔
174	c.AbortWithStatusJSON(400, ErrorMessage{"no_state_provided", "Authentication requires a state provided as query parameter."})	1✔
175	return	1✔
176	}	1✔
177	redirectPath, redirectPathExists := c.GetQuery("redirect_path")	1✔
178	if !redirectPathExists {	2✔
179	redirectPath = "/"	1✔
180	}	1✔
181
182	protocol := "https"	1✔
183	if c.Request.TLS == nil {	2✔
184	protocol = "http"	1✔
185	}	1✔
186
187	clientId, clientIdExists := c.GetQuery("client_id")	1✔
188	if !clientIdExists {	2✔
189	logging.Log().Infof("Start a login flow for a not specified client.")	1✔
190	}	1✔
191
192	requestMode, requestModeExists := c.GetQuery("request_mode")	1✔
193	if !requestModeExists {	2✔
194	logging.Log().Infof("Using default request mode %s.", DEFAULT_REQUEST_MODE)	1✔
195	requestMode = DEFAULT_REQUEST_MODE	1✔
196	}	1✔
197
198	redirect, err := getApiVerifier().StartSameDeviceFlow(c.Request.Host, protocol, state, redirectPath, clientId, requestMode)	1✔
199	if err != nil {	2✔
200	logging.Log().Warnf("Error starting the same-device flow. Err: %v", err)	1✔
201	c.AbortWithStatusJSON(500, ErrorMessage{err.Error(), "Was not able to start the same device flow."})	1✔
202	return	1✔
203	}	1✔
204	c.Redirect(302, redirect)	1✔
205	}
206
207	// VerifierAPIAuthenticationResponse - Stores the credential for the given session
208	func VerifierAPIAuthenticationResponse(c *gin.Context) {	1✔
209	var state string	1✔
210	stateForm, stateFormExists := c.GetPostForm("state")	1✔
211	stateQuery, stateQueryExists := c.GetQuery("state")	1✔
212	if !stateFormExists && !stateQueryExists {	2✔
213	c.AbortWithStatusJSON(400, ErrorMessageNoState)	1✔
214	return	1✔
215	}	1✔
216	if stateFormExists {	2✔
217	state = stateForm	1✔
218	} else {	1✔
219	// allow the state submitted through a query parameter for backwards-compatibility	×
220	state = stateQuery	×
221	}	×
222
223	vptoken, tokenExists := c.GetPostForm("vp_token")	1✔
224	if !tokenExists {	2✔
225	logging.Log().Info("No token was provided.")	1✔
226	c.AbortWithStatusJSON(400, ErrorMessageNoToken)	1✔
227	return	1✔
228	}	1✔
229
230	presentation, err := extractVpFromToken(c, vptoken)	1✔
231	if err != nil {	2✔
232	logging.Log().Warnf("Was not able to extract the presentation from the vp_token.")	1✔
233	return	1✔
234	}	1✔
235	handleAuthenticationResponse(c, state, presentation)	1✔
236	}
237
238	// GetVerifierAPIAuthenticationResponse - Stores the credential for the given session
239	func GetVerifierAPIAuthenticationResponse(c *gin.Context) {	×
240	state, stateExists := c.GetQuery("state")	×
241	if !stateExists {	×
242	c.AbortWithStatusJSON(400, ErrorMessageNoState)	×
243	return	×
244	}	×
245	vpToken, tokenExists := c.GetQuery("vp_token")	×
246	if !tokenExists {	×
247	logging.Log().Info("No token was provided.")	×
248	c.AbortWithStatusJSON(400, ErrorMessageNoToken)	×
249	return	×
250	}	×
251	presentation, err := extractVpFromToken(c, vpToken)	×
252	if err != nil {	×
253	logging.Log().Warnf("Was not able to extract the presentation from the vp_token.")	×
254	return	×
255	}	×
256	handleAuthenticationResponse(c, state, presentation)	×
257	}
258
259	// GetRequestByReference - Get the request object by reference
NEW 260	func GetRequestByReference(c *gin.Context) {	×
NEW 261	sessionId := c.Param("id")	×
NEW 262		×
NEW 263	jwt, err := verifier.GetVerifier().GetRequestObject(sessionId)	×
NEW 264	if err != nil {	×
NEW 265	logging.Log().Debugf("No request for %s. Err: %v", sessionId, err)	×
NEW 266	c.AbortWithStatusJSON(404, ErrorMessageNoSuchSession)	×
NEW 267	return	×
NEW 268	}	×
269
NEW 270	c.String(http.StatusOK, jwt)	×
271	}
272
273	func extractVpFromToken(c gin.Context, vpToken string) (parsedPresentation verifiable.Presentation, err error) {	1✔
274		1✔
275	tokenBytes := decodeVpString(vpToken)	1✔
276		1✔
277	parsedPresentation, err = getPresentationParser().ParsePresentation(tokenBytes)	1✔
278	if err != nil {	2✔
279	logging.Log().Infof("Was not able to parse the token %s. Err: %v", vpToken, err)	1✔
280	c.AbortWithStatusJSON(400, ErrorMessageUnableToDecodeToken)	1✔
281	return	1✔
282	}	1✔
283	return	1✔
284	}
285
286	// decodeVpString - In newer versions of OID4VP the token is not encoded as a whole but only its segments separately. This function covers the older and newer versions
287	func decodeVpString(vpToken string) (tokenBytes []byte) {	1✔
288	tokenBytes, err := base64.RawURLEncoding.DecodeString(vpToken)	1✔
289	if err != nil {	2✔
290	return []byte(vpToken)	1✔
291	}	1✔
292	return tokenBytes	1✔
293	}
294
295	func handleAuthenticationResponse(c gin.Context, state string, presentation verifiable.Presentation) {	1✔
296		1✔
297	sameDeviceResponse, err := getApiVerifier().AuthenticationResponse(state, presentation)	1✔
298	if err != nil {	2✔
299	logging.Log().Warnf("Was not able to fullfil the authentication response. Err: %v", err)	1✔
300	c.AbortWithStatusJSON(400, ErrorMessage{Summary: err.Error()})	1✔
301	return	1✔
302	}	1✔
303	if sameDeviceResponse != (verifier.SameDeviceResponse{}) {	2✔
304	c.Redirect(302, fmt.Sprintf("%s?state=%s&code=%s", sameDeviceResponse.RedirectTarget, sameDeviceResponse.SessionId, sameDeviceResponse.Code))	1✔
305	return	1✔
306	}	1✔
307	logging.Log().Debugf("Successfully authenticated %s.", state)	1✔
308	c.JSON(http.StatusOK, gin.H{})	1✔
309	}
310
311	// VerifierAPIJWKS - Provides the public keys for the given verifier, to be used for verifing the JWTs
312	func VerifierAPIJWKS(c *gin.Context) {	×
313	c.JSON(http.StatusOK, getApiVerifier().GetJWKS())	×
314	}	×
315
316	// VerifierAPIOpenID
317	func VerifierAPIOpenIDConfiguration(c *gin.Context) {	×
318		×
319	metadata, err := getApiVerifier().GetOpenIDConfiguration(c.Param("service_id"))	×
320	if err != nil {	×
321	c.AbortWithStatusJSON(500, ErrorMessage{err.Error(), "Was not able to generate the OpenID metadata."})	×
322	return	×
323	}	×
324	c.JSON(http.StatusOK, metadata)	×
325	}
326
327	// VerifierAPIStartSIOP - Initiates the siop flow and returns the 'openid://...' connection string
328	func VerifierAPIStartSIOP(c *gin.Context) {	1✔
329	state, stateExists := c.GetQuery("state")	1✔
330	if !stateExists {	2✔
331	c.AbortWithStatusJSON(400, ErrorMessageNoState)	1✔
332	// early exit	1✔
333	return	1✔
334	}	1✔
335
336	callback, callbackExists := c.GetQuery("client_callback")	1✔
337	if !callbackExists {	2✔
338	c.AbortWithStatusJSON(400, ErrorMessageNoCallback)	1✔
339	// early exit	1✔
340	return	1✔
341	}	1✔
342	protocol := "https"	1✔
343	if c.Request.TLS == nil {	2✔
344	protocol = "http"	1✔
345	}	1✔
346	clientId, clientIdExists := c.GetQuery("client_id")	1✔
347	if !clientIdExists {	2✔
348	logging.Log().Infof("Start a login flow for a not specified client.")	1✔
349	}	1✔
350
351	requestMode, requestModeExists := c.GetQuery("request_mode")	1✔
352	if !requestModeExists {	2✔
353	logging.Log().Infof("Using default request mode %s.", DEFAULT_REQUEST_MODE)	1✔
354	requestMode = DEFAULT_REQUEST_MODE	1✔
355	}	1✔
356
357	connectionString, err := getApiVerifier().StartSiopFlow(c.Request.Host, protocol, callback, state, clientId, requestMode)	1✔
358	if err != nil {	2✔
359	c.AbortWithStatusJSON(500, ErrorMessage{err.Error(), "Was not able to generate the connection string."})	1✔
360	return	1✔
361	}	1✔
362	c.String(http.StatusOK, connectionString)	1✔
363	}

FIWARE / VCVerifier / 15068141810

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