coderhaoxin/oss-client — pull request #16 by xuming314 (2013-11-01 07:14:28+00:00)
Title: oss.putObject的srcFile是Buffer时无法识别图片类型，putObject方法增加contentType参数可指定图片类型

用法示例:
oss.putObject({bucket:'a', object:'b.jpg, srcFile:picBuffer, contentType:'image/jpeg'}, function (err) {
...
});