usermd

package
v1.5.0 Latest Latest
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Published: Jun 29, 2024 License: ISC Imports: 0 Imported by: 4

Documentation

Overview

Package usermd provides a politeiad plugin that extends records with user metadata and provides an API for retrieving records by user metadata.

Index

Constants

View Source
const (
	// PluginID is the unique identifier for this plugin.
	PluginID = "usermd"

	// CmdAuthor command retrieves the record author.
	CmdAuthor = "author"

	// CmdUserRecords command returns all records submitted by the given user.
	CmdUserRecords = "userrecords"
)
View Source
const (
	// StreamIDUserMetadata is the politeiad metadata stream ID for the
	// UserMetadata structure.
	StreamIDUserMetadata uint32 = 1

	// StreamIDStatusChanges is the politeiad metadata stream ID for
	// the status changes metadata. Status changes are appended onto
	// this metadata stream.
	StreamIDStatusChanges uint32 = 2
)

Stream IDs are the metadata stream IDs for metadata defined in this package.

Variables

View Source
var (
	// ErrorCodes contains the human readable errors.
	ErrorCodes = map[ErrorCodeT]string{
		ErrorCodeInvalid:                      "error code invalid",
		ErrorCodeUserMetadataNotFound:         "user metadata not found",
		ErrorCodeUserIDInvalid:                "user id invalid",
		ErrorCodePublicKeyInvalid:             "public key invalid",
		ErrorCodeSignatureInvalid:             "signature invalid",
		ErrorCodeStatusChangeMetadataNotFound: "status change metadata not found",
		ErrorCodeTokenInvalid:                 "token invalid",
		ErrorCodeStatusInvalid:                "status invalid",
		ErrorCodeReasonMissing:                "status change reason is missing",
	}
)

Functions

This section is empty.

Types

type Author

type Author struct{}

Author returns the user ID of a record's author.

type AuthorReply

type AuthorReply struct {
	UserID string `json:"userid"`
}

AuthorReply is the reply to the Author command.

type ErrorCodeT

type ErrorCodeT uint32

ErrorCodeT represents a plugin error that was caused by the user.

const (
	// ErrorCodeInvalid is an invalid error code.
	ErrorCodeInvalid ErrorCodeT = 0

	// ErrorCodeUserMetadataNotFound is returned when a record does
	// not contain a metdata stream for user metadata.
	ErrorCodeUserMetadataNotFound ErrorCodeT = 1

	// ErrorCodeUserIDInvalid is returned when a user ID is changed
	// between versions of a record.
	ErrorCodeUserIDInvalid ErrorCodeT = 2

	// ErrorCodePublicKeyInvalid is returned when a public key used
	// in a signature is not valid.
	ErrorCodePublicKeyInvalid ErrorCodeT = 3

	// ErrorCodeSignatureInvalid is returned when the signature does
	// not match the expected signature.
	ErrorCodeSignatureInvalid ErrorCodeT = 4

	// ErrorCodeStatusChangeMetadataNotFound is returned when a record
	// is having its status updated but is missing the status change
	// metadata.
	ErrorCodeStatusChangeMetadataNotFound ErrorCodeT = 5

	// ErrorCodeTokenInvalid is returned when a token that is included
	// in the metadata does not match the token of the record that the
	// command is being executed on.
	ErrorCodeTokenInvalid ErrorCodeT = 6

	// ErrorCodeStatusInvalid is returned when the status defined in
	// the status change metadata does not match the record status.
	ErrorCodeStatusInvalid ErrorCodeT = 7

	// ErrorCodeReasonMissing is returned when the status change reason
	// is required but is not included.
	ErrorCodeReasonMissing ErrorCodeT = 8

	// ErrorCodeLast unit test only.
	ErrorCodeLast ErrorCodeT = 9
)

type StatusChangeMetadata

type StatusChangeMetadata struct {
	Token     string `json:"token"`
	Version   uint32 `json:"version"`
	Status    uint32 `json:"status"`
	Reason    string `json:"reason,omitempty"`
	PublicKey string `json:"publickey"`
	Signature string `json:"signature"`
	Timestamp int64  `json:"timestamp"`
}

StatusChangeMetadata contains the user signature for a record status change.

Signature is the client signature of the Token+Version+Status+Reason.

type UserMetadata

type UserMetadata struct {
	UserID    string `json:"userid"`    // Author user ID
	PublicKey string `json:"publickey"` // Key used for signature
	Signature string `json:"signature"` // Signature of merkle root
}

UserMetadata contains user metadata about a politeiad record. It is generated by the server and saved to politeiad as a metadata stream.

Signature is the client signature of the hex encoded record merkle root. The merkle root is the ordered merkle root of all user submitted politeiad files. The merkle root is hex encoded before being signed so that the signature is consistent with how politeiad signs the merkle root.

type UserRecords

type UserRecords struct {
	UserID string `json:"userid"`
}

UserRecords retrieves the tokens of all records that were submitted by the provided user ID. The returned tokens are sorted from newest to oldest.

type UserRecordsReply

type UserRecordsReply struct {
	Unvetted []string `json:"unvetted"`
	Vetted   []string `json:"vetted"`
}

UserRecordsReply is the reply to the UserInv command.

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