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assets/webapps/email.gaiamobile.org/js/ext/pop3/probe.js

@@ -0,0 +1,99 @@
+define([
+    './pop3',
+    '../syncbase',
+    'logic',
+    '../errorutils',
+    'exports'
+], function (pop3, syncbase, logic, errorutils, exports) {
+    var scope = logic.scope('Pop3Prober');
+    exports.probeAccount = function (credentials, connInfo) {
+        var opts = {
+            host: connInfo.hostname,
+            port: connInfo.port,
+            crypto: connInfo.crypto,
+            username: credentials.username,
+            password: credentials.password,
+            connTimeout: syncbase.CONNECT_TIMEOUT_MS
+        };
+        logic(scope, 'connecting', { connInfo: connInfo });
+        var resolve, reject;
+        var promise = new Promise(function (_resolve, _reject) {
+            resolve = _resolve;
+            reject = _reject;
+        });
+        var conn = new pop3.Pop3Client(opts, function (err) {
+            if (err) {
+                reject(err);
+                return;
+            }
+            conn.protocol.sendRequest('UIDL', ['1'], false, function (err, rsp) {
+                if (rsp) {
+                    conn.protocol.sendRequest('TOP', [
+                        '1',
+                        '0'
+                    ], true, function (err, rsp) {
+                        if (rsp) {
+                            resolve(conn);
+                        } else if (err.err) {
+                            logic(scope, 'server-not-great', { why: 'no TOP' });
+                            reject('pop-server-not-great');
+                        } else {
+                            reject(rsp.err);
+                        }
+                    });
+                } else {
+                    conn.protocol.sendRequest('UIDL', [], true, function (err, rsp) {
+                        if (rsp) {
+                            resolve(conn);
+                        } else if (err.err) {
+                            logic(scope, 'server-not-great', { why: 'no UIDL' });
+                            reject('pop-server-not-great');
+                        } else {
+                            reject(rsp.err);
+                        }
+                    });
+                }
+            });
+        });
+        return promise.then(function (conn) {
+            logic(scope, 'success');
+            return {
+                conn: conn,
+                timezoneOffset: null
+            };
+        }).catch(function (err) {
+            err = normalizePop3Error(err);
+            logic(scope, 'error', { error: err });
+            if (conn) {
+                conn.close();
+            }
+            return Promise.reject(err);
+        });
+    };
+    var GMAIL_POP_DISABLED_RE = /\[SYS\/PERM\] Your account is not enabled for POP/;
+    var GMAIL_DOMAIN_DISABLED_RE = /\[SYS\/PERM\] POP access is disabled for your domain\./;
+    function analyzePop3LibraryError(err) {
+        if (!err || !err.name) {
+            return null;
+        }
+        if (err.name === 'bad-user-or-pass' && err.message && GMAIL_POP_DISABLED_RE.test(err.message)) {
+            return 'pop3-disabled';
+        } else if (err.name === 'bad-user-or-pass' && err.message && GMAIL_DOMAIN_DISABLED_RE.test(err.message)) {
+            return 'pop3-disabled';
+        } else if (err.name === 'unresponsive-server' && err.exception && err.exception.name && /security/i.test(err.exception.name)) {
+            return 'bad-security';
+        } else if ((err.name === 'unresponsive-server' || err.name === 'bad-user-or-pass') && err.message && /\[(LOGIN-DELAY|SYS|IN-USE)/i.test(err.message)) {
+            return 'server-maintenance';
+        } else {
+            return err.name;
+        }
+    }
+    var normalizePop3Error = exports.normalizePop3Error = function (err) {
+        var reportAs = analyzePop3LibraryError(err) || errorutils.analyzeException(err) || 'unknown';
+        logic(scope, 'normalized-error', {
+            error: err,
+            reportAs: reportAs
+        });
+        return reportAs;
+    };
+});