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Javascript 使用OMDB API时如何修复401错误?_Javascript_Google Chrome Extension_Web Development Server_Omdbapi - Fatal编程技术网

Javascript 使用OMDB API时如何修复401错误?

Javascript 使用OMDB API时如何修复401错误?,javascript,google-chrome-extension,web-development-server,omdbapi,Javascript,Google Chrome Extension,Web Development Server,Omdbapi,编辑:我已经添加了来自OMDB的响应 {Response: "False", Error: "Invalid API key!"} Error: "Invalid API key!" Response: "False" 我是网络开发新手,我正在尝试构建一个chrome扩展,在netflix上显示imdb分数。我正在使用OMDB API来实现这一点。起初,我得到了以下错误: “混合内容:通过HTTPS加载了“”处的页面,但请求了不安全的XMLHttpRequest终结点“”。此请求已被阻止;内容

编辑:我已经添加了来自OMDB的响应

{Response: "False", Error: "Invalid API key!"}
Error: "Invalid API key!"
Response: "False"
我是网络开发新手,我正在尝试构建一个chrome扩展,在netflix上显示imdb分数。我正在使用OMDB API来实现这一点。起初,我得到了以下错误:

“混合内容:通过HTTPS加载了“”处的页面,但请求了不安全的XMLHttpRequest终结点“”。此请求已被阻止;内容必须通过HTTPS提供。”

然而,我只是将url中的“http”改为“https”,然后它就消失了。然而,现在我得到了一个401错误,我想这意味着我的访问被拒绝了。

这是扩展的代码

清单文件:

{
  "manifest_version": 2,
  "name": "1_ratings_netflix",
  "version": "0.1",
  "description": "Display imdb ratings on netflix",
  "content_scripts": [
  {
    "matches": [
      "https://www.netflix.com/*", "https://www.omdbapi.com/*"
    ],
    "js": ["content.js"]
  }
  ],
  "icons": { "16": "icon16.png", "48":"icon48.png"},
  "permissions": [
    "https://www.netflix.com/*", "https://www.omdbapi.com/*"
  ]
}
内容文件:

    function fetchMovieNameYear() {
    var synopsis = document.querySelectorAll('.jawBone .jawbone-title-link');
    if (synopsis === null) {
        return;
    }

    var logoElement = document.querySelectorAll('.jawBone .jawbone-title-link .title');

    if (logoElement.length === 0)
        return;

    logoElement = logoElement[logoElement.length - 1];

    var title = logoElement.textContent;

    if (title === "")
        title = logoElement.querySelector(".logo").getAttribute("alt");

    var titleElement = document.querySelectorAll('.jawBone .jawbone-title-link .title .text').textContent;

    var yearElement = document.querySelectorAll('.jawBone .jawbone-overview-info .meta .year');
    if (yearElement.length === 0)
        return;
    var year = yearElement[yearElement.length - 1].textContent;

    var divId = getDivId(title, year);
    var divEl = document.getElementById(divId);
    if (divEl && (divEl.offsetWidth || divEl.offsetHeight || divEl.getClientRects().length)) {
        return;
    }

    var existingImdbRating = window.sessionStorage.getItem(title + ":" + year);
    if ((existingImdbRating !== "undefined") && (existingImdbRating !== null)) {
        addIMDBRating(existingImdbRating, title, year);
    } else {
        makeRequestAndAddRating(title, year)
    }
};

function addIMDBRating(imdbMetaData, name, year) {
    var divId = getDivId(name, year);

    var divEl = document.getElementById(divId);
    if (divEl && (divEl.offsetWidth || divEl.offsetHeight || divEl.getClientRects().length)) {
        return;
    }

    var synopsises = document.querySelectorAll('.jawBone .synopsis');
    if (synopsises.length) {
        var synopsis = synopsises[synopsises.length - 1];
        var div = document.createElement('div');

        var imdbRatingPresent = imdbMetaData && (imdbMetaData !== 'undefined') && (imdbMetaData !== "N/A");
        var imdbVoteCount = null;
        var imdbRating = null;
        var imdbId = null;
        if (imdbRatingPresent) {
            var imdbMetaDataArr = imdbMetaData.split(":");
            imdbRating = imdbMetaDataArr[0];
            imdbVoteCount = imdbMetaDataArr[1];
            imdbId = imdbMetaDataArr[2];
        }
        var imdbHtml = 'IMDb rating : ' + (imdbRatingPresent ? imdbRating : "N/A") + (imdbVoteCount ? ", Vote Count : " + imdbVoteCount : "");

        if (imdbId !== null) {
            imdbHtml = "<a target='_blank' href='https://www.imdb.com/title/" + imdbId + "'>" + imdbHtml + "</a>";
        }

        div.innerHTML = imdbHtml;
        div.className = 'imdbRating';
        div.id = divId;
        synopsis.parentNode.insertBefore(div, synopsis);
    }
}

function getDivId(name, year) {
    name = name.replace(/[^a-z0-9\s]/gi, '');
    name = name.replace(/ /g, '');
    return "aaa" + name + "_" + year;
}

function makeRequestAndAddRating(name, year) {

    var url = "https://www.omdbapi.com/?i=tt3896198&apikey=**{API_KEY}**" + encodeURI(name)
        + "&y=" + year + "tomatoes=true";

    var xhr = new XMLHttpRequest();
    xhr.open('GET', url);
    xhr.withCredentials = true;
    xhr.setRequestHeader('Content-Type', 'application/json');
    xhr.onload = function () {
        if (xhr.status === 200) {
            var apiResponse = JSON.parse(xhr.responseText);
            var imdbRating = apiResponse["imdbRating"];
            var imdbVoteCount = apiResponse["imdbVotes"];
            var imdbId = apiResponse["imdbID"];
            var imdbMetaData = imdbRating + ":" + imdbVoteCount + ":" + imdbId;
            window.sessionStorage.setItem(name + ":" + year, imdbMetaData);
            window.sessionStorage.setItem("metaScore:" + name + ":" + year, metaScore)
            window.sessionStorage.setItem("rotten:" + name + ":" + year, rottenRating);
            addIMDBRating(imdbMetaData, name, year);
            addRottenRating(rottenRating, name, year);
            addMetaScore(metaScore, name, year);
        }
    };
    xhr.send();
}

if (window.sessionStorage !== "undefined") {
    var target = document.body;
    // create an observer instance
    var observer = new MutationObserver(function (mutations) {
        mutations.forEach(function (mutation) {
            window.setTimeout(fetchMovieNameYear, 5);
        });
    });
    // configuration of the observer:
    var config = {
        attributes: true,
        childList: true,
        characterData: true
    };
    observer.observe(target, config);
}
函数fetchMovieNameYear(){ var synopsis=document.queryselectoral('.jawBone.jawBone title link'); if(概要===null){ 返回; } var logonement=document.queryselectoral('.jawBone.jawBone title link.title'); if(logoElement.length==0) 返回; logoElement=logoElement[logoElement.length-1]; var title=logoElement.textContent; 如果(标题==“”) title=logoElement.querySelector(“.logo”).getAttribute(“alt”); var titleElement=document.queryselectoral('.jawBone.jawBone title link.title.text').textContent; var yearElement=document.queryselectoral('.jawBone.jawBone overview info.meta.year'); 如果(yearElement.length==0) 返回; var year=yearElement[yearElement.length-1].textContent; var divId=getDivId(标题,年份); var divEl=document.getElementById(divId); if(divEl&(divEl.offsetWidth | | | divEl.offsetHeight | | divEl.getclientracts().length)){ 返回; } var existingImdbRating=window.sessionStorage.getItem(title+“:”+年); if((existingImdbRating!==“未定义”)&&(existingImdbRating!==null)){ 新增评级(现有评级、职称、年份); }否则{ MakeRequestandAddressing(标题、年份) } }; 函数添加校准(imdbMetaData,名称,年份){ var divId=getDivId(名称、年份); var divEl=document.getElementById(divId); if(divEl&(divEl.offsetWidth | | | divEl.offsetHeight | | divEl.getclientracts().length)){ 返回; } var synopsises=document.queryselectoral('.jawBone.synopsis'); if(synopsises.长度){ 变量synopsis=大纲[synopsis.length-1]; var div=document.createElement('div'); var imdbRatingPresent=imdbMetaData&&(imdbMetaData!=“未定义”)&&(imdbMetaData!=“不适用”); var imdbVoteCount=null; var imdbRating=null; var imdbId=null; 如果(imdbRatingPresent){ var imdbMetaDataArr=imdbMetaData.split(“:”); imdbRating=imdbMetaDataArr[0]; imdbVoteCount=imdbMetaDataArr[1]; imdbId=imdbMetaDataArr[2]; } var imdbHtml='IMDb rating:'+(imdbRatingPresent?imdbRating:“不适用”)+(imdbVoteCount?”,票数:“+imdbVoteCount:”); if(imdbId!==null){ imdbHtml=“”; } div.innerHTML=imdbHtml; div.className='imdbRating'; div.id=divId; 大纲.parentNode.insertBefore(div,大纲); } } 函数getDivId(名称,年份){ 名称=名称。替换(/[^a-z0-9\s]/gi,”); name=name.replace(//g',); 返回“aaa”+名称+年份; } 函数MakeRequestAndAddressing(名称、年份){ 变量url=”https://www.omdbapi.com/?i=tt3896198&apikey=**{API_KEY}**“+encodeURI(名称) +“&y=“+year+”番茄=true”; var xhr=new XMLHttpRequest(); xhr.open('GET',url); xhr.withCredentials=true; setRequestHeader('Content-Type','application/json'); xhr.onload=函数(){ 如果(xhr.status==200){ var apiResponse=JSON.parse(xhr.responseText); var imdbRating=apiResponse[“imdbRating”]; var imdbVoteCount=apiResponse[“imdbVotes”]; var imdbId=apiResponse[“imdbId”]; var imdbMetaData=imdbRating+“:”+imdbVoteCount+“:”+imdbId; window.sessionStorage.setItem(名称+“:”+年份,imdbMetaData); window.sessionStorage.setItem(“元分数:“+name+”:“+year,元分数”) window.sessionStorage.setItem(“腐烂:“+name+”:“+year,腐烂等级”); 添加校准(imdbMetaData,名称,年份); 添加腐烂等级(腐烂等级、名称、年份); 添加元分数(元分数、名称、年份); } }; xhr.send(); } if(window.sessionStorage!=“未定义”){ var target=document.body; //创建一个观察者实例 var观察者=新的突变观察者(功能(突变){ 突变。forEach(功能(突变){ setTimeout(fetchMovieNameYear,5); }); }); //观察员的配置: 变量配置={ 属性:正确, 儿童名单:是的, characterData:true }; observer.observe(目标,配置); }
发布OMDB的请求和响应将对您有所帮助(您可以在开发工具的“网络”选项卡中找到它们)

触发CORS(跨源请求)错误的一件事是指定除
应用程序/x-www-form-urlencoded
多部分/表单数据
文本/普通
以外的内容类型。如果我没有记错,OMDB API将返回JSON响应,即使没有指定请求的内容类型,因此您应该尝试删除以下行:

xhr.setRequestHeader('Content-Type', 'application/json');
有关不触发CORS的“简单请求”的更多信息:

您还需要获取API密钥()并替换
**{API_KEY}**
在代码中使用密钥。您还需要将
t
键添加到查询字符串中,否则标题将附加到API键中

var url = "https://www.omdbapi.com/?i=tt3896198&apikey=**{API_KEY}**" + "&t="
 + encodeURI(name) + "&y=" + year + "tomatoes=true";

现代Chrome不允许内容脚本中的跨源请求。在中执行此操作,并使用消息传递与内容进行通信