Initial commit

node_modules/helmet-csp/dist/lib/get-header-keys-for-browser.js

@@ -0,0 +1,113 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+var config_1 = __importDefault(require("./config"));
+function goodBrowser() {
+    return ['Content-Security-Policy'];
+}
+var handlersByBrowserName = {
+    'Android Browser': function (browser) {
+        var osVersionName = browser.getOS().versionName;
+        if (osVersionName && parseFloat(osVersionName) < 4.4) {
+            return [];
+        }
+        return ['Content-Security-Policy'];
+    },
+    Chrome: function (browser) {
+        var browserVersion = parseFloat(browser.getBrowserVersion());
+        if (browserVersion >= 14 && browserVersion < 25) {
+            return ['X-WebKit-CSP'];
+        }
+        else if (browserVersion >= 25) {
+            return ['Content-Security-Policy'];
+        }
+        else {
+            return [];
+        }
+    },
+    'Chrome Mobile': function (browser, options) {
+        if (browser.getOSName() === 'iOS') {
+            return ['Content-Security-Policy'];
+        }
+        else {
+            return handlersByBrowserName['Android Browser'](browser, options);
+        }
+    },
+    Firefox: function (browser) {
+        var osName = browser.getOSName();
+        if (osName === 'iOS') {
+            return ['Content-Security-Policy'];
+        }
+        var browserVersion = parseFloat(browser.getBrowserVersion());
+        if (osName === 'Android') {
+            if (browserVersion >= 25) {
+                return ['Content-Security-Policy'];
+            }
+            else {
+                return ['X-Content-Security-Policy'];
+            }
+        }
+        else if (browser.getPlatformType(true) === 'mobile') {
+            // This is probably Firefox OS.
+            if (browserVersion >= 32) {
+                return ['Content-Security-Policy'];
+            }
+            else {
+                return ['X-Content-Security-Policy'];
+            }
+        }
+        else if (browserVersion >= 23) {
+            return ['Content-Security-Policy'];
+        }
+        else if (browserVersion >= 4 && browserVersion < 23) {
+            return ['X-Content-Security-Policy'];
+        }
+        else {
+            return [];
+        }
+    },
+    'Internet Explorer': function (browser) {
+        var browserVersion = parseFloat(browser.getBrowserVersion());
+        var header = browserVersion < 12 ? 'X-Content-Security-Policy' : 'Content-Security-Policy';
+        return [header];
+    },
+    'Microsoft Edge': goodBrowser,
+    'Microsoft Edge Mobile': goodBrowser,
+    Opera: function (browser) {
+        var browserVersion = parseFloat(browser.getBrowserVersion());
+        if (browserVersion >= 15) {
+            return ['Content-Security-Policy'];
+        }
+        else {
+            return [];
+        }
+    },
+    Safari: function (browser) {
+        var browserVersion = parseFloat(browser.getBrowserVersion());
+        if (browserVersion >= 7) {
+            return ['Content-Security-Policy'];
+        }
+        else if (browserVersion >= 6) {
+            return ['X-WebKit-CSP'];
+        }
+        else {
+            return [];
+        }
+    },
+};
+module.exports = function getHeaderKeysForBrowser(browser, options) {
+    if (!browser) {
+        return config_1.default.allHeaders;
+    }
+    if (options.disableAndroid && browser.getOSName() === 'Android') {
+        return [];
+    }
+    var browserName = browser.getBrowserName();
+    if (Object.prototype.hasOwnProperty.call(handlersByBrowserName, browserName)) {
+        return handlersByBrowserName[browserName](browser, options);
+    }
+    else {
+        return config_1.default.allHeaders;
+    }
+};