Merge "Fix captive portal login ssl error overflow" (42409f97) · Commits · e / os / android_frameworks_base

packages/CaptivePortalLogin/src/com/android/captiveportallogin/CaptivePortalLoginActivity.java

+61 −26

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ import java.util.Random;
		public class CaptivePortalLoginActivity extends Activity {
		private static final String TAG = CaptivePortalLoginActivity.class.getSimpleName();
		private static final boolean DBG = true;
		private static final boolean VDBG = false;

		private static final int SOCKET_TIMEOUT_MS = 10000;

		@@ -311,6 +312,7 @@ public class CaptivePortalLoginActivity extends Activity {

		private class MyWebViewClient extends WebViewClient {
		private static final String INTERNAL_ASSETS = "file:///android_asset/";

		private final String mBrowserBailOutToken = Long.toString(new Random().nextLong());
		// How many Android device-independent-pixels per scaled-pixel
		// dp/sp = (px/sp) / (px/dp) = (1/sp) / (1/dp)
		@@ -363,12 +365,6 @@ public class CaptivePortalLoginActivity extends Activity {
		testForCaptivePortal();
		}

		// Convert Android device-independent-pixels (dp) to HTML size.
		private String dp(int dp) {
		// HTML px's are scaled just like dp's, so just add "px" suffix.
		return Integer.toString(dp) + "px";
		}

		// Convert Android scaled-pixels (sp) to HTML size.
		private String sp(int sp) {
		// Convert sp to dp's.
		@@ -376,25 +372,11 @@ public class CaptivePortalLoginActivity extends Activity {
		// Apply a scale factor to make things look right.
		dp *= 1.3;
		// Convert dp's to HTML size.
		return dp((int)dp);
		// HTML px's are scaled just like dp's, so just add "px" suffix.
		return Integer.toString((int)dp) + "px";
		}

		// A web page consisting of a large broken lock icon to indicate SSL failure.
		private final String SSL_ERROR_HTML = "<html><head><style>" +
		"body { margin-left:" + dp(48) + "; margin-right:" + dp(48) + "; " +
		"margin-top:" + dp(96) + "; background-color:#fafafa; }" +
		"img { width:" + dp(48) + "; height:" + dp(48) + "; }" +
		"div.warn { font-size:" + sp(16) + "; margin-top:" + dp(16) + "; " +
		" opacity:0.87; line-height:1.28; }" +
		"div.example { font-size:" + sp(14) + "; margin-top:" + dp(16) + "; " +
		" opacity:0.54; line-height:1.21905; }" +
		"a { font-size:" + sp(14) + "; text-decoration:none; text-transform:uppercase; " +
		" margin-top:" + dp(24) + "; display:inline-block; color:#4285F4; " +
		" height:" + dp(48) + "; font-weight:bold; }" +
		"</style></head><body><p><img src=quantum_ic_warning_amber_96.png><br>" +
		"<div class=warn>%s</div>" +
		"<div class=example>%s</div>" +
		"<a href=%s>%s</a></body></html>";

		@Override
		public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
		@@ -402,10 +384,63 @@ public class CaptivePortalLoginActivity extends Activity {
		// Only show host to avoid leaking private info.
		Uri.parse(error.getUrl()).getHost() + " certificate: " +
		error.getCertificate() + "); displaying SSL warning.");
		final String html = String.format(SSL_ERROR_HTML, getString(R.string.ssl_error_warning),
		getString(R.string.ssl_error_example), mBrowserBailOutToken,
		getString(R.string.ssl_error_continue));
		view.loadDataWithBaseURL(INTERNAL_ASSETS, html, "text/HTML", "UTF-8", null);
		final String sslErrorPage = makeSslErrorPage();
		if (VDBG) {
		Log.d(TAG, sslErrorPage);
		}
		view.loadDataWithBaseURL(INTERNAL_ASSETS, sslErrorPage, "text/HTML", "UTF-8", null);
		}

		private String makeSslErrorPage() {
		final String warningMsg = getString(R.string.ssl_error_warning);
		final String exampleMsg = getString(R.string.ssl_error_example);
		final String continueMsg = getString(R.string.ssl_error_continue);
		return String.join("\n",
		"<html>",
		"<head>",
		" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">",
		" <style>",
		" body {",
		" background-color:#fafafa;",
		" margin:auto;",
		" width:80%;",
		" margin-top: 96px",
		" }",
		" img {",
		" height:48px;",
		" width:48px;",
		" }",
		" div.warn {",
		" font-size:" + sp(16) + ";",
		" line-height:1.28;",
		" margin-top:16px;",
		" opacity:0.87;",
		" }",
		" div.example {",
		" font-size:" + sp(14) + ";",
		" line-height:1.21905;",
		" margin-top:16px;",
		" opacity:0.54;",
		" }",
		" a {",
		" color:#4285F4;",
		" display:inline-block;",
		" font-size:" + sp(14) + ";",
		" font-weight:bold;",
		" height:48px;",
		" margin-top:24px;",
		" text-decoration:none;",
		" text-transform:uppercase;",
		" }",
		" </style>",
		"</head>",
		"<body>",
		" <p><img src=quantum_ic_warning_amber_96.png><br>",
		" <div class=warn>" + warningMsg + "</div>",
		" <div class=example>" + exampleMsg + "</div>",
		" <a href=" + mBrowserBailOutToken + ">" + continueMsg + "</a>",
		"</body>",
		"</html>");
		}

		@Override