publishing v1 of action

node_modules/unzipper/lib/Open/index.js

@@ -0,0 +1,97 @@
+var fs = require('graceful-fs');
+var Promise = require('bluebird');
+var directory = require('./directory');
+var Stream = require('stream');
+
+// Backwards compatibility for node versions < 8
+if (!Stream.Writable || !Stream.Writable.prototype.destroy)
+  Stream = require('readable-stream');
+
+module.exports = {
+  buffer: function(buffer, options) {
+    var source = {
+      stream: function(offset, length) {
+        var stream = Stream.PassThrough();
+        stream.end(buffer.slice(offset, length));
+        return stream;
+      },
+      size: function() {
+        return Promise.resolve(buffer.length);
+      }
+    };
+    return directory(source, options);
+  },
+  file: function(filename, options) {
+    var source = {
+      stream: function(offset,length) {
+        return fs.createReadStream(filename,{start: offset, end: length && offset+length});
+      },
+      size: function() {
+        return new Promise(function(resolve,reject) {
+          fs.stat(filename,function(err,d) {
+            if (err)
+              reject(err);
+            else
+              resolve(d.size);
+          });
+        });
+      }
+    };
+    return directory(source, options);
+  },
+
+  url: function(request, params, options) {
+    if (typeof params === 'string')
+      params = {url: params};
+    if (!params.url)
+      throw 'URL missing';
+    params.headers = params.headers || {};
+
+    var source = {
+      stream : function(offset,length) {
+        var options = Object.create(params);
+        options.headers = Object.create(params.headers);
+        options.headers.range = 'bytes='+offset+'-' + (length ? length : '');
+        return request(options);
+      },
+      size: function() {
+        return new Promise(function(resolve,reject) {
+          var req = request(params);
+          req.on('response',function(d) {
+            req.abort();
+            if (!d.headers['content-length'])
+              reject(new Error('Missing content length header'));
+            else
+              resolve(d.headers['content-length']);
+          }).on('error',reject);
+        });
+      }
+    };
+
+    return directory(source, options);
+  },
+
+  s3 : function(client,params, options) {
+    var source = {
+      size: function() {
+        return new Promise(function(resolve,reject) {
+          client.headObject(params, function(err,d) {
+            if (err)
+              reject(err);
+            else
+              resolve(d.ContentLength);
+          });
+        });
+      },
+      stream: function(offset,length) {
+        var d = {};
+        for (var key in params)
+          d[key] = params[key];
+        d.Range = 'bytes='+offset+'-' + (length ? length : '');
+        return client.getObject(d).createReadStream();
+      }
+    };
+
+    return directory(source, options);
+  }
+};