Struct rocket::fs::FileServer

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pub struct FileServer { /* private fields */ }
Expand description

Custom handler for serving static files.

This handler makes it simple to serve static files from a directory on the local file system. To use it, construct a FileServer using either FileServer::from() or FileServer::new() then simply mount the handler at a desired path. When mounted, the handler will generate route(s) that serve the desired static files. If a requested file is not found, the routes forward the incoming request. The default rank of the generated routes is 10. To customize route ranking, use the FileServer::rank() method.

§Options

The handler’s functionality can be customized by passing an Options to FileServer::new().

§Example

To serve files from the /static directory on the local file system at the /public path, allowing index.html files to be used to respond to requests for a directory (the default), you might write the following:

use rocket::fs::FileServer;

#[launch]
fn rocket() -> _ {
    rocket::build().mount("/public", FileServer::from("/static"))
}

With this, requests for files at /public/<path..> will be handled by returning the contents of /static/<path..>. Requests for directories at /public/<directory> will be handled by returning the contents of /static/<directory>/index.html.

§Relative Paths

In the example above, /static is an absolute path. If your static files are stored relative to your crate and your project is managed by Rocket, use the relative! macro to obtain a path that is relative to your crate’s root. For example, to serve files in the static subdirectory of your crate at /, you might write:

use rocket::fs::{FileServer, relative};

#[launch]
fn rocket() -> _ {
    rocket::build().mount("/", FileServer::from(relative!("static")))
}

Implementations§

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impl FileServer

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pub fn from<P: AsRef<Path>>(path: P) -> Self

Constructs a new FileServer that serves files from the file system path. By default, Options::Index is set, and the generated routes have a rank of 10. To serve static files with other options, use FileServer::new(). To choose a different rank for generated routes, use FileServer::rank().

§Panics

Panics if path does not exist or is not a directory.

§Example

Serve the static files in the /www/public local directory on path /static.

use rocket::fs::FileServer;

#[launch]
fn rocket() -> _ {
    rocket::build().mount("/static", FileServer::from("/www/public"))
}

Exactly as before, but set the rank for generated routes to 30.

use rocket::fs::FileServer;

#[launch]
fn rocket() -> _ {
    rocket::build().mount("/static", FileServer::from("/www/public").rank(30))
}
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pub fn new<P: AsRef<Path>>(path: P, options: Options) -> Self

Constructs a new FileServer that serves files from the file system path with options enabled. By default, the handler’s routes have a rank of 10. To choose a different rank, use FileServer::rank().

§Panics

If Options::Missing is not set, panics if path does not exist or is not a directory. Otherwise does not panic.

§Example

Serve the static files in the /www/public local directory on path /static without serving index files or dot files. Additionally, serve the same files on /pub with a route rank of -1 while also serving index files and dot files.

use rocket::fs::{FileServer, Options};

#[launch]
fn rocket() -> _ {
    let options = Options::Index | Options::DotFiles;
    rocket::build()
        .mount("/static", FileServer::from("/www/public"))
        .mount("/pub", FileServer::new("/www/public", options).rank(-1))
}
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pub fn rank(self, rank: isize) -> Self

Sets the rank for generated routes to rank.

§Example
use rocket::fs::{FileServer, Options};

// A `FileServer` created with `from()` with routes of rank `3`.
FileServer::from("/public").rank(3);

// A `FileServer` created with `new()` with routes of rank `-15`.
FileServer::new("/public", Options::Index).rank(-15);

Trait Implementations§

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impl Clone for FileServer

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fn clone(&self) -> FileServer

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FileServer

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<FileServer> for Vec<Route>

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fn from(server: FileServer) -> Self

Converts to this type from the input type.
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impl Handler for FileServer

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fn handle<'r, 'life0, 'life1, 'async_trait>( &'life0 self, req: &'r Request<'life1>, data: Data<'r>, ) -> Pin<Box<dyn Future<Output = Outcome<'r>> + Send + 'async_trait>>
where Self: 'async_trait, 'r: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Called by Rocket when a Request with its associated Data should be handled by this handler. Read more

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