[CCSDK-28] populated the seed code for dgbuilder

[ccsdk/distribution.git] / dgbuilder / core_nodes / deprecated / 61-imap.js

diff --git a/dgbuilder/core_nodes/deprecated/61-imap.js b/dgbuilder/core_nodes/deprecated/61-imap.js
new file mode 100644 (file)
index 0000000..aa2b4be
--- /dev/null
+++ b/dgbuilder/core_nodes/deprecated/61-imap.js
@@ -0,0 +1,139 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var RED = require(process.env.NODE_RED_HOME+"/red/red");
+var Imap = require('imap');
+var util = require('util');
+
+try {
+    var emailkey = RED.settings.email || require(process.env.NODE_RED_HOME+"/../emailkeys.js");
+} catch (err) {
+    //util.log("[61-imap.js] Info : No Email credentials found.");
+}
+
+if (emailkey) {
+    var imap = new Imap({
+        user: emailkey.user,
+        password: emailkey.pass,
+        host: emailkey.server||"imap.gmail.com",
+        port: emailkey.port||"993",
+        tls: true,
+        tlsOptions: { rejectUnauthorized: false }
+    });
+
+    function openInbox(cb) {
+        imap.openBox('INBOX', true, cb);
+    }
+}
+
+function ImapNode(n) {
+    RED.nodes.createNode(this,n);
+    this.warn("This node has been deprecated and will be deleted in a future release. Please update your flow to use the 'e-mail in' node.");
+    this.name = n.name;
+    this.repeat = n.repeat * 1000 || 300000;
+    var node = this;
+    this.interval_id = null;
+    var oldmail = {};
+
+    if (!isNaN(this.repeat) && this.repeat > 0) {
+        node.log("repeat = "+this.repeat);
+        this.interval_id = setInterval( function() {
+            node.emit("input",{});
+        }, this.repeat );
+    }
+
+    this.on("input", function(msg) {
+        if (imap) {
+            imap.once('ready', function() {
+                var pay = {};
+                openInbox(function(err, box) {
+                    if (box.messages.total > 0) {
+                        var f = imap.seq.fetch(box.messages.total + ':*', { bodies: ['HEADER.FIELDS (FROM SUBJECT DATE)','TEXT'] });
+                        f.on('message', function(msg, seqno) {
+                            node.log('message: #'+ seqno);
+                            var prefix = '(#' + seqno + ') ';
+                            msg.on('body', function(stream, info) {
+                                var buffer = '';
+                                stream.on('data', function(chunk) {
+                                    buffer += chunk.toString('utf8');
+                                });
+                                stream.on('end', function() {
+                                    if (info.which !== 'TEXT') {
+                                        pay.from = Imap.parseHeader(buffer).from[0];
+                                        pay.topic = Imap.parseHeader(buffer).subject[0];
+                                        pay.date = Imap.parseHeader(buffer).date[0];
+                                    } else {
+                                        var parts = buffer.split("Content-Type");
+                                        for (var p in parts) {
+                                            if (parts[p].indexOf("text/plain") >= 0) {
+                                                pay.payload = parts[p].split("\n").slice(1,-2).join("\n").trim();
+                                            }
+                                            if (parts[p].indexOf("text/html") >= 0) {
+                                                pay.html = parts[p].split("\n").slice(1,-2).join("\n").trim();
+                                            }
+                                        }
+                                        //pay.body = buffer;
+                                    }
+                                });
+                            });
+                            msg.on('end', function() {
+                                //node.log('Finished: '+prefix);
+                            });
+                        });
+                        f.on('error', function(err) {
+                            node.warn('fetch error: ' + err);
+                        });
+                        f.on('end', function() {
+                            if (JSON.stringify(pay) !== oldmail) {
+                                node.send(pay);
+                                oldmail = JSON.stringify(pay);
+                                node.log('sent new message: '+pay.topic);
+                            }
+                            else { node.log('duplicate not sent: '+pay.topic); }
+                            imap.end();
+                        });
+                    }
+                    else {
+                        // node.log("you have achieved inbox zero");
+                        imap.end();
+                    }
+                });
+            });
+            imap.connect();
+        }
+        else { node.warn("No Email credentials found. See info panel."); }
+    });
+
+    if (imap) {
+        imap.on('error', function(err) {
+            util.log(err);
+        });
+    }
+
+    this.on("error", function(err) {
+        node.log("error: ",err);
+    });
+
+    this.on("close", function() {
+        if (this.interval_id != null) {
+            clearInterval(this.interval_id);
+        }
+        if (imap) { imap.destroy(); }
+    });
+
+    node.emit("input",{});
+}
+RED.nodes.registerType("imap",ImapNode);