gossip

package
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Published: May 8, 2018 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Overview

Package gossip holds code for spreading CT log information via a gossip protocol.

Index

Constants

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const (
	STHVersion0 = 0
	STHVersion1 = 1
)

STHVersion constants

Variables

This section is empty.

Functions

This section is empty.

Types

type Handler

type Handler struct {
	// contains filtered or unexported fields
}

Handler for the gossip HTTP requests.

func NewHandler

func NewHandler(s *Storage, v SignatureVerifierMap) Handler

NewHandler creates a new Handler object, taking a pointer a Storage object to use for storing and retrieving feedback and pollination data, and a SignatureVerifierMap for verifying signatures from known logs.

func (*Handler) HandleSCTFeedback

func (h *Handler) HandleSCTFeedback(rw http.ResponseWriter, req *http.Request)

HandleSCTFeedback handles requests POSTed to .../sct-feedback. It attempts to store the provided SCT Feedback

func (*Handler) HandleSTHPollination

func (h *Handler) HandleSTHPollination(rw http.ResponseWriter, req *http.Request)

HandleSTHPollination handles requests POSTed to .../sth-pollination. It attempts to store the provided pollination info, and returns a random set of pollination data from the last 14 days (i.e. "fresh" by the definition of the gossip RFC.)

type SCTFeedback

type SCTFeedback struct {
	Feedback []SCTFeedbackEntry `json:"sct_feedback"`
}

SCTFeedback represents a collection of SCTFeedback which a client might send together.

type SCTFeedbackEntry

type SCTFeedbackEntry struct {
	X509Chain []string `json:"x509_chain"`
	SCTData   []string `json:"sct_data"`
}

SCTFeedbackEntry represents a single piece of SCT feedback.

type STHPollination

type STHPollination struct {
	STHs []ct.SignedTreeHead `json:"sths"`
}

STHPollination represents a collection of STH pollination entries which a client might send together.

type STHVersion

type STHVersion int

STHVersion reflects the STH Version field in RFC6862[-bis]

type SignatureVerifierMap

type SignatureVerifierMap map[ct.SHA256Hash]ct.SignatureVerifier

SignatureVerifierMap is a map of SignatureVerifier by LogID

type Storage

type Storage struct {
	// contains filtered or unexported fields
}

Storage provides an SQLite3-backed method for persisting gossip data

func (*Storage) AddSCTFeedback

func (s *Storage) AddSCTFeedback(feedback SCTFeedback) (err error)

AddSCTFeedback stores the passed in feedback object.

func (*Storage) AddSTHPollination

func (s *Storage) AddSTHPollination(pollination STHPollination) error

AddSTHPollination stores the passed in pollination object.

func (*Storage) Close

func (s *Storage) Close() error

Close closes the underlying DB storage.

func (*Storage) GetRandomSTHPollination

func (s *Storage) GetRandomSTHPollination(newerThan time.Time, limit int) (*STHPollination, error)

GetRandomSTHPollination returns a random selection of "fresh" (i.e. at most 14 days old) STHs from the pool.

func (*Storage) Open

func (s *Storage) Open(dbPath string) error

Open opens the underlying persistent data store. Should be called before attempting to use any of the store or search methods.

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