Class SignedFeed

A wrapper around a Feed adding and XSL stylesheet and a digital signature.

Inheritance

Object

SignedFeed

Namespace: ZeroInstall.Publish

Assembly: ZeroInstall.Publish.dll

Syntax

public class SignedFeed : Object

Constructors

SignedFeed(Feed, OpenPgpSecretKey, IOpenPgp)

Creates a new signed feed.

Declaration

public SignedFeed(Feed feed, OpenPgpSecretKey secretKey = null, IOpenPgp openPgp = null)

Parameters

Type	Name	Description
Feed	feed	The wrapped Feed.
OpenPgpSecretKey	secretKey	The secret key used to sign the Feed; null for no signature.
IOpenPgp	openPgp	The OpenPGP-compatible system used to create the signatures; null for default.

Properties

Feed

The wrapped Feed.

Declaration

public Feed Feed { get; }

Property Value

Type	Description
Feed

SecretKey

The secret key used to sign the Feed; null for no signature.

Declaration

public OpenPgpSecretKey SecretKey { get; set; }

Property Value

Type	Description
OpenPgpSecretKey

Methods

Load(String)

Loads a Feed from an XML file and identifies the signature (if any).

Declaration

public static SignedFeed Load(string path)

Parameters

Type	Name	Description
String	path	The file to load from.

Returns

Type	Description
SignedFeed	The loaded SignedFeed.

Exceptions

Type	Condition
IOException	A problem occurred while reading the file.
UnauthorizedAccessException	Read access to the file is not permitted.
InvalidDataException	A problem occurred while deserializing the XML data.

Save(String, String)

Saves Feed to an XML file, adds the default stylesheet and sign it it with SecretKey (if specified).

Declaration

public void Save(string path, string passphrase = null)

Parameters

Type	Name	Description
String	path	The file to save in.
String	passphrase	The passphrase to use to unlock the secret key; can be null if SecretKey is null.

Remarks

Writing and signing the feed file are performed as an atomic operation (i.e. if signing fails an existing file remains unchanged).

Exceptions

Type	Condition
IOException	A problem occurred while writing the file.
UnauthorizedAccessException	Write access to the file is not permitted.
KeyNotFoundException	The specified SecretKey could not be found on the system.
WrongPassphraseException	passphrase was incorrect.