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azure - Sharepoint API 中使用 MSAL token 发出未经授权的请求

转载 作者:行者123 更新时间:2023-12-02 07:59:58 24 4
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背景我正在开发一个移动应用程序,它通过 Azure Active Directory(Microsoft 身份验证)进行身份验证,并可以访问 Sharepoint 中的一些信息。我的第一选择是使用 Ionic Cordova,但似乎不支持 Cordova-MSAL 集成。因此我们选择了 Xamarin,以开发跨平台应用程序,但兼容 Microsoft 身份验证。

情况我正在尝试连接 Sharepoint API。

1- 我已在 Azure (Active Directory) 中注册了一个新应用程序,并且 给予的权限。

2-我通过 MSAL 获取不记名 token 库(在网络和 Xamarin 中),在我自己登录后(例如 链接如下): https://learn.microsoft.com/es-es/azure/active-directory/develop/quickstart-v2-javascript

3- 现在我向 Sharepoint API 发出以下请求。

url: http://site url/_api/web/lists(guid'list GUID'),
method: GET
Headers:
Authorization: "Bearer " + accessToken
accept: "application/json;odata=verbose"

但我总是收到以下错误:

{"error_description":"Invalid JWT token. No certificate thumbprint specified in token header."}

我读到很多人都在谈论 MSAL 的错误,但这是官方方式(ADAL 看起来即将被弃用)。

任何想法都会受到赞赏,非常感谢。

最佳答案

在利用 MSAL.js 进行身份验证并获取访问 token 以成功调用 SharePoint Online API 时,我也遇到了这个问题。

Microsoft 的以下文档提供了通过 MSAL 进行身份验证的精彩示例和说明:https://learn.microsoft.com/en-us/azure/active-directory/develop/tutorial-v2-javascript-spa

但是,我需要继续利用获取的 token 直接调用 SharePoint API,而不是通过 Graph API 使用服务。

为了解决这个问题,我必须按如下方式定义我的范围:

scopes: [https://{tenantName}.sharepoint.com/.default]

使用 Microsoft 文章中的示例,我进行了必要的更改。我能够利用获取的访问 token 成功调用 SharePoint API:

<!DOCTYPE html>
<html>
<head>
<title>Quickstart for MSAL JS</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bluebird/3.3.4/bluebird.min.js"></script>
<script src="https://secure.aadcdn.microsoftonline-p.com/lib/1.0.0/js/msal.js">
</script>
</head>
<body>
<h2>Welcome to MSAL.js Quickstart</h2><br />
<h4 id="WelcomeMessage"></h4>
<button id="SignIn" onclick="signIn()">Sign In</button><br /><br />
<pre id="json"></pre>
<script>

var msalConfig = {
auth: {
clientId: "{clientID}",
authority: "https://login.microsoftonline.com/organizations"
},
cache: {
cacheLocation: "localStorage",
storeAuthStateInCookie: true
}
};

var sharePointConfig = {
sharePointFileEndpoint: "https://{tenantName}.sharepoint.com/sites/{siteName}/_api/web/GetFolderByServerRelativeUrl('Shared Documents/{folderName}')/Files('testFile.txt')/$value"
}

//the defined scopes were updated for making calls to the SharePoint API.

var requestObj = {
scopes: ["https://{tenantName}.sharepoint.com/.default"]
};

var myMSALObj = new Msal.UserAgentApplication(msalConfig);
// Register Callbacks for redirect flow
myMSALObj.handleRedirectCallback(authRedirectCallBack);


function signIn() {

myMSALObj.loginPopup(requestObj).then(function (loginResponse) {
//Login Success
showWelcomeMessage();
acquireTokenPopupAndCallAPI();

}).catch(function (error) {
console.log(error);
});
}


function acquireTokenPopupAndCallAPI() {
//Always start with acquireTokenSilent to obtain a token in the signed in user from cache
myMSALObj.acquireTokenSilent(requestObj).then(function (tokenResponse) {

//Http Request

callAPI(sharePointConfig.sharePointFileEndpoint, tokenResponse.accessToken, graphAPICallback);

}).catch(function (error) {
console.log(error);
// Upon acquireTokenSilent failure (due to consent or interaction or login required ONLY)
// Call acquireTokenPopup(popup window)
if (requiresInteraction(error.errorCode)) {
myMSALObj.acquireTokenPopup(requestObj).then(function (tokenResponse) {

//Http Request

callAPI(sharePointConfig.sharePointFileEndpoint, tokenResponse.accessToken, graphAPICallback);

}).catch(function (error) {
console.log(error);
});
}
});
}


function graphAPICallback(data) {
document.getElementById("json").innerHTML = JSON.stringify(data, null, 2);
}


function showWelcomeMessage() {
var divWelcome = document.getElementById('WelcomeMessage');
divWelcome.innerHTML = 'Welcome ' + myMSALObj.getAccount().userName + "to Microsoft Graph API";
var loginbutton = document.getElementById('SignIn');
loginbutton.innerHTML = 'Sign Out';
loginbutton.setAttribute('onclick', 'signOut();');
}

function authRedirectCallBack(error, response) {
if (error) {
console.log(error);
}
else {
if (response.tokenType === "access_token") {

callAPI(sharePointConfig.sharePointFileEndpoint, tokenResponse.accessToken, graphAPICallback);
} else {
console.log("token type is:" + response.tokenType);
}
}
}

function requiresInteraction(errorCode) {
if (!errorCode || !errorCode.length) {
return false;
}
return errorCode === "consent_required" ||
errorCode === "interaction_required" ||
errorCode === "login_required";
}

// Browser check variables
var ua = window.navigator.userAgent;
var msie = ua.indexOf('MSIE ');
var msie11 = ua.indexOf('Trident/');
var msedge = ua.indexOf('Edge/');
var isIE = msie > 0 || msie11 > 0;
var isEdge = msedge > 0;
//If you support IE, our recommendation is that you sign-in using Redirect APIs
//If you as a developer are testing using Edge InPrivate mode, please add "isEdge" to the if check
// can change this to default an experience outside browser use
var loginType = isIE ? "REDIRECT" : "POPUP";

if (loginType === 'POPUP') {
if (myMSALObj.getAccount()) {// avoid duplicate code execution on page load in case of iframe and popup window.
showWelcomeMessage();
acquireTokenPopupAndCallAPI();
}
}
else if (loginType === 'REDIRECT') {
document.getElementById("SignIn").onclick = function () {
myMSALObj.loginRedirect(requestObj);
};
if (myMSALObj.getAccount() && !myMSALObj.isCallback(window.location.hash)) {// avoid duplicate code execution on page load in case of iframe and popup window.
showWelcomeMessage();
acquireTokenPopupAndCallAPI();
}
} else {
console.error('Please set a valid login type');
}


function callAPI(theUrl, accessToken, callback) {
var xmlHttp = new XMLHttpRequest();
/*
xmlHttp.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200)
callback(JSON.parse(this.responseText));
}
*/
xmlHttp.open("GET", theUrl, true); // true for asynchronous
xmlHttp.setRequestHeader('Authorization', 'Bearer ' + accessToken);
xmlHttp.send();
}


function signOut() {
myMSALObj.logout();
}

</script>
</body>
</html>

上面的示例是 Microsoft 示例的修改版本。我能够利用它来成功进行测试。

关于azure - Sharepoint API 中使用 MSAL token 发出未经授权的请求,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58415404/

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