Cloud doc search web application

This is a web application. It should have an expandable set of UI for searching files. Files can be searched using: Name or part of the name Last modification date, or date range Contents of the file Size or range of sizes The UI should allow selected one or more criteria and perform a search. Pressing "Search" will display all results. If there are more than 50 results, each 50 will be on a separate page. If should be possible to select one or more found files, using multiple selection. Selected file/files can be downloaded (if multiple, then as a .zip file), viewed (if single file), and moved / copied to a new location. All files shown in search results are found using one or more cloud services. These services should include: Dropbox, Google Docs, Sky Drive, and other services. A "Settings" tab allows defining these services.