16. A method, comprising: obtaining, by a search interface component executed by at least one computing device, a search query from a search component; validating, by the search interface component, the search query in response to an authentication of a key associated with the search component; searching, by the search interface component, a search index for first application content that corresponds to the search query and second application content that corresponds to the search query, wherein the first application content is secured within a first sandbox for a first application and the second application content is secured within a second sandbox for a second application; and providing, by the search interface component, at least one search result to the search component based upon the search index, wherein the at least one search result is based at least in part on the first application content that corresponds to the search query or the second application content that corresponds to the search query.
16. A method, comprising: obtaining, by a search interface component executed by at least one computing device, a search query from a search component; validating, by the search interface component, the search query in response to an authentication of a key associated with the search component; searching, by the search interface component, a search index for first application content that corresponds to the search query and second application content that corresponds to the search query, wherein the first application content is secured within a first sandbox for a first application and the second application content is secured within a second sandbox for a second application; and providing, by the search interface component, at least one search result to the search component based upon the search index, wherein the at least one search result is based at least in part on the first application content that corresponds to the search query or the second application content that corresponds to the search query. 18. The method of claim 16 , further comprising updating, by the at least one computing device, the search index based at least in part on a plurality of previous search queries associated with restricted application content.