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9a7a65f05e
* auth provider mock interface * Auth Provider Options * Implement API Server Auth Package * Add weh utils * Add Login URL * Auth Provider Options * Add auth provider scope and setting token in cookie * Remove auth_login_url flag Co-authored-by: Asim Aslam <asim@aslam.me> Co-authored-by: Ben Toogood <ben@micro.mu>
101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
// Package auth provides authentication and authorization capability
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package auth
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import (
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"context"
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"encoding/json"
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"time"
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"github.com/micro/go-micro/v2/metadata"
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)
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// Auth providers authentication and authorization
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type Auth interface {
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// Init the auth package
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Init(opts ...Option) error
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// Options returns the options set
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Options() Options
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// Generate a new auth Account
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Generate(id string, opts ...GenerateOption) (*Account, error)
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// Revoke an authorization Account
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Revoke(token string) error
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// Verify an account token
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Verify(token string) (*Account, error)
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// String returns the implementation
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String() string
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}
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// Resource is an entity such as a user or
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type Resource struct {
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// Name of the resource
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Name string
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// Type of resource, e.g.
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Type string
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}
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// Role an account has
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type Role struct {
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// Name of the role
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Name string
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// The resource it has access
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// TODO: potentially remove
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Resource *Resource
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}
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// Account provided by an auth provider
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type Account struct {
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// ID of the account (UUIDV4, email or username)
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Id string `json:"id"`
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// Token used to authenticate
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Token string `json:"token"`
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// Time of Account creation
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Created time.Time `json:"created"`
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// Time of Account expiry
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Expiry time.Time `json:"expiry"`
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// Roles associated with the Account
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Roles []*Role `json:"roles"`
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// Any other associated metadata
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Metadata map[string]string `json:"metadata"`
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}
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const (
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// MetadataKey is the key used when storing the account
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// in metadata
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MetadataKey = "auth-account"
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// CookieName is the name of the cookie which stores the
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// auth token
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CookieName = "micro-token"
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)
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// AccountFromContext gets the account from the context, which
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// is set by the auth wrapper at the start of a call. If the account
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// is not set, a nil account will be returned. The error is only returned
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// when there was a problem retrieving an account
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func AccountFromContext(ctx context.Context) (*Account, error) {
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str, ok := metadata.Get(ctx, MetadataKey)
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// there was no account set
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if !ok {
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return nil, nil
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}
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var acc *Account
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// metadata is stored as a string, so unmarshal to an account
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if err := json.Unmarshal([]byte(str), &acc); err != nil {
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return nil, err
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}
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return acc, nil
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}
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// ContextWithAccount sets the account in the context
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func ContextWithAccount(ctx context.Context, account *Account) (context.Context, error) {
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// metadata is stored as a string, so marshal to bytes
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bytes, err := json.Marshal(account)
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if err != nil {
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return ctx, err
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}
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// generate a new context with the MetadataKey set
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return metadata.Set(ctx, MetadataKey, string(bytes)), nil
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}
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