auth

Paddy 2015-03-06 Parent:f59559b33c76 Child:026adb0c7fc4

138:874c21d1dd8d Go to Latest

auth/client.go

Add ListEndpoints handler. Add a handler responsible for returning the endpoints that exist on a client. It still needs unit tests, but appears to work as required.

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paddy@6 1 package auth
paddy@0 2
paddy@0 3 import (
paddy@108 4 "crypto/rand"
paddy@108 5 "encoding/hex"
paddy@85 6 "encoding/json"
paddy@31 7 "errors"
paddy@116 8 "log"
paddy@85 9 "net/http"
paddy@41 10 "net/url"
paddy@115 11 "strconv"
paddy@135 12 "strings"
paddy@41 13 "time"
paddy@31 14
paddy@116 15 "github.com/PuerkitoBio/purell"
paddy@116 16 "github.com/gorilla/mux"
paddy@116 17
paddy@107 18 "code.secondbit.org/uuid.hg"
paddy@0 19 )
paddy@0 20
paddy@121 21 func init() {
paddy@121 22 RegisterGrantType("client_credentials", GrantType{
paddy@121 23 Validate: clientCredentialsValidate,
paddy@121 24 Invalidate: nil,
paddy@121 25 IssuesRefresh: true,
paddy@121 26 ReturnToken: RenderJSONToken,
paddy@123 27 AllowsPublic: false,
paddy@124 28 AuditString: clientCredentialsAuditString,
paddy@121 29 })
paddy@121 30 }
paddy@121 31
paddy@31 32 var (
paddy@57 33 // ErrNoClientStore is returned when a Context tries to act on a clientStore without setting one first.
paddy@57 34 ErrNoClientStore = errors.New("no clientStore was specified for the Context")
paddy@57 35 // ErrClientNotFound is returned when a Client is requested but not found in a clientStore.
paddy@57 36 ErrClientNotFound = errors.New("client not found in clientStore")
paddy@57 37 // ErrClientAlreadyExists is returned when a Client is added to a clientStore, but another Client with
paddy@57 38 // the same ID already exists in the clientStore.
paddy@57 39 ErrClientAlreadyExists = errors.New("client already exists in clientStore")
paddy@41 40
paddy@57 41 // ErrEmptyChange is returned when a Change has all its properties set to nil.
paddy@57 42 ErrEmptyChange = errors.New("change must have at least one property set")
paddy@57 43 // ErrClientNameTooShort is returned when a Client's Name property is too short.
paddy@57 44 ErrClientNameTooShort = errors.New("client name must be at least 2 characters")
paddy@57 45 // ErrClientNameTooLong is returned when a Client's Name property is too long.
paddy@57 46 ErrClientNameTooLong = errors.New("client name must be at most 32 characters")
paddy@57 47 // ErrClientLogoTooLong is returned when a Client's Logo property is too long.
paddy@57 48 ErrClientLogoTooLong = errors.New("client logo must be at most 1024 characters")
paddy@57 49 // ErrClientLogoNotURL is returned when a Client's Logo property is not a valid absolute URL.
paddy@57 50 ErrClientLogoNotURL = errors.New("client logo must be a valid absolute URL")
paddy@57 51 // ErrClientWebsiteTooLong is returned when a Client's Website property is too long.
paddy@49 52 ErrClientWebsiteTooLong = errors.New("client website must be at most 1024 characters")
paddy@57 53 // ErrClientWebsiteNotURL is returned when a Client's Website property is not a valid absolute URL.
paddy@57 54 ErrClientWebsiteNotURL = errors.New("client website must be a valid absolute URL")
paddy@116 55 // ErrEndpointURINotURL is returned when an Endpoint's URI property is not a valid absolute URL.
paddy@116 56 ErrEndpointURINotURL = errors.New("endpoint URI must be a valid absolute URL")
paddy@31 57 )
paddy@31 58
paddy@115 59 const (
paddy@138 60 clientTypePublic = "public"
paddy@138 61 clientTypeConfidential = "confidential"
paddy@138 62 minClientNameLen = 2
paddy@138 63 maxClientNameLen = 24
paddy@138 64 defaultClientResponseSize = 20
paddy@138 65 maxClientResponseSize = 50
paddy@138 66 defaultEndpointResponseSize = 20
paddy@138 67 maxEndpointResponseSize = 50
paddy@130 68
paddy@130 69 normalizeFlags = purell.FlagsUsuallySafeNonGreedy | purell.FlagSortQuery
paddy@115 70 )
paddy@115 71
paddy@25 72 // Client represents a client that grants access
paddy@25 73 // to the auth server, exchanging grants for tokens,
paddy@25 74 // and tokens for access.
paddy@0 75 type Client struct {
paddy@116 76 ID uuid.ID `json:"id,omitempty"`
paddy@116 77 Secret string `json:"secret,omitempty"`
paddy@116 78 OwnerID uuid.ID `json:"owner_id,omitempty"`
paddy@116 79 Name string `json:"name,omitempty"`
paddy@116 80 Logo string `json:"logo,omitempty"`
paddy@116 81 Website string `json:"website,omitempty"`
paddy@116 82 Type string `json:"type,omitempty"`
paddy@0 83 }
paddy@0 84
paddy@57 85 // ApplyChange applies the properties of the passed
paddy@57 86 // ClientChange to the Client object it is called on.
paddy@39 87 func (c *Client) ApplyChange(change ClientChange) {
paddy@39 88 if change.Secret != nil {
paddy@39 89 c.Secret = *change.Secret
paddy@39 90 }
paddy@39 91 if change.OwnerID != nil {
paddy@39 92 c.OwnerID = change.OwnerID
paddy@39 93 }
paddy@39 94 if change.Name != nil {
paddy@39 95 c.Name = *change.Name
paddy@39 96 }
paddy@39 97 if change.Logo != nil {
paddy@39 98 c.Logo = *change.Logo
paddy@39 99 }
paddy@39 100 if change.Website != nil {
paddy@39 101 c.Website = *change.Website
paddy@39 102 }
paddy@39 103 }
paddy@39 104
paddy@57 105 // ClientChange represents a bundle of options for
paddy@57 106 // updating a Client's mutable data.
paddy@31 107 type ClientChange struct {
paddy@41 108 Secret *string
paddy@41 109 OwnerID uuid.ID
paddy@41 110 Name *string
paddy@41 111 Logo *string
paddy@41 112 Website *string
paddy@31 113 }
paddy@31 114
paddy@57 115 // Validate checks the ClientChange it is called on
paddy@57 116 // and asserts its internal validity, or lack thereof.
paddy@133 117 func (c ClientChange) Validate() []error {
paddy@133 118 errors := []error{}
paddy@42 119 if c.Secret == nil && c.OwnerID == nil && c.Name == nil && c.Logo == nil && c.Website == nil {
paddy@133 120 errors = append(errors, ErrEmptyChange)
paddy@133 121 return errors
paddy@42 122 }
paddy@41 123 if c.Name != nil && len(*c.Name) < 2 {
paddy@133 124 errors = append(errors, ErrClientNameTooShort)
paddy@41 125 }
paddy@41 126 if c.Name != nil && len(*c.Name) > 32 {
paddy@133 127 errors = append(errors, ErrClientNameTooLong)
paddy@41 128 }
paddy@42 129 if c.Logo != nil && *c.Logo != "" {
paddy@42 130 if len(*c.Logo) > 1024 {
paddy@133 131 errors = append(errors, ErrClientLogoTooLong)
paddy@42 132 }
paddy@42 133 u, err := url.Parse(*c.Logo)
paddy@42 134 if err != nil || !u.IsAbs() {
paddy@133 135 errors = append(errors, ErrClientLogoNotURL)
paddy@42 136 }
paddy@41 137 }
paddy@42 138 if c.Website != nil && *c.Website != "" {
paddy@42 139 if len(*c.Website) > 140 {
paddy@133 140 errors = append(errors, ErrClientWebsiteTooLong)
paddy@42 141 }
paddy@42 142 u, err := url.Parse(*c.Website)
paddy@42 143 if err != nil || !u.IsAbs() {
paddy@133 144 errors = append(errors, ErrClientWebsiteNotURL)
paddy@42 145 }
paddy@41 146 }
paddy@133 147 return errors
paddy@39 148 }
paddy@39 149
paddy@123 150 func getClientAuth(w http.ResponseWriter, r *http.Request, allowPublic bool) (uuid.ID, string, bool) {
paddy@85 151 enc := json.NewEncoder(w)
paddy@85 152 clientIDStr, clientSecret, fromAuthHeader := r.BasicAuth()
paddy@85 153 if !fromAuthHeader {
paddy@85 154 clientIDStr = r.PostFormValue("client_id")
paddy@85 155 }
paddy@123 156 if clientIDStr == "" {
paddy@85 157 w.WriteHeader(http.StatusUnauthorized)
paddy@85 158 if fromAuthHeader {
paddy@85 159 w.Header().Set("WWW-Authenticate", "Basic")
paddy@85 160 }
paddy@85 161 renderJSONError(enc, "invalid_client")
paddy@123 162 return nil, "", false
paddy@123 163 }
paddy@129 164 if !allowPublic && !fromAuthHeader {
paddy@129 165 w.WriteHeader(http.StatusBadRequest)
paddy@129 166 renderJSONError(enc, "unauthorized_client")
paddy@129 167 return nil, "", false
paddy@129 168 }
paddy@123 169 clientID, err := uuid.Parse(clientIDStr)
paddy@123 170 if err != nil {
paddy@123 171 log.Println("Error decoding client ID:", err)
paddy@123 172 w.WriteHeader(http.StatusUnauthorized)
paddy@123 173 if fromAuthHeader {
paddy@123 174 w.Header().Set("WWW-Authenticate", "Basic")
paddy@123 175 }
paddy@123 176 renderJSONError(enc, "invalid_client")
paddy@123 177 return nil, "", false
paddy@123 178 }
paddy@123 179 return clientID, clientSecret, true
paddy@123 180 }
paddy@123 181
paddy@123 182 func verifyClient(w http.ResponseWriter, r *http.Request, allowPublic bool, context Context) (uuid.ID, bool) {
paddy@123 183 enc := json.NewEncoder(w)
paddy@123 184 clientID, clientSecret, ok := getClientAuth(w, r, allowPublic)
paddy@123 185 if !ok {
paddy@85 186 return nil, false
paddy@85 187 }
paddy@123 188 _, _, fromAuthHeader := r.BasicAuth()
paddy@85 189 client, err := context.GetClient(clientID)
paddy@85 190 if err == ErrClientNotFound {
paddy@85 191 w.WriteHeader(http.StatusUnauthorized)
paddy@85 192 if fromAuthHeader {
paddy@85 193 w.Header().Set("WWW-Authenticate", "Basic")
paddy@85 194 }
paddy@85 195 renderJSONError(enc, "invalid_client")
paddy@85 196 return nil, false
paddy@85 197 } else if err != nil {
paddy@85 198 w.WriteHeader(http.StatusInternalServerError)
paddy@85 199 renderJSONError(enc, "server_error")
paddy@85 200 return nil, false
paddy@85 201 }
paddy@113 202 if client.Secret != clientSecret { // it's important that any client deemed "public" is not issued a client secret.
paddy@85 203 w.WriteHeader(http.StatusUnauthorized)
paddy@85 204 if fromAuthHeader {
paddy@85 205 w.Header().Set("WWW-Authenticate", "Basic")
paddy@85 206 }
paddy@85 207 renderJSONError(enc, "invalid_client")
paddy@85 208 return nil, false
paddy@85 209 }
paddy@85 210 return clientID, true
paddy@85 211 }
paddy@85 212
paddy@57 213 // Endpoint represents a single URI that a Client
paddy@57 214 // controls. Users will be redirected to these URIs
paddy@57 215 // following successful authorization grants and
paddy@57 216 // exchanges for access tokens.
paddy@41 217 type Endpoint struct {
paddy@116 218 ID uuid.ID `json:"id,omitempty"`
paddy@116 219 ClientID uuid.ID `json:"client_id,omitempty"`
paddy@116 220 URI string `json:"uri,omitempty"`
paddy@116 221 NormalizedURI string `json:"-"`
paddy@116 222 Added time.Time `json:"added,omitempty"`
paddy@116 223 }
paddy@116 224
paddy@116 225 func normalizeURIString(in string) (string, error) {
paddy@130 226 n, err := purell.NormalizeURLString(in, normalizeFlags)
paddy@116 227 if err != nil {
paddy@116 228 log.Println(err)
paddy@116 229 return in, ErrEndpointURINotURL
paddy@116 230 }
paddy@116 231 return n, nil
paddy@116 232 }
paddy@116 233
paddy@116 234 func normalizeURI(in *url.URL) string {
paddy@130 235 return purell.NormalizeURL(in, normalizeFlags)
paddy@41 236 }
paddy@41 237
paddy@41 238 type sortedEndpoints []Endpoint
paddy@41 239
paddy@41 240 func (s sortedEndpoints) Len() int {
paddy@41 241 return len(s)
paddy@41 242 }
paddy@41 243
paddy@41 244 func (s sortedEndpoints) Less(i, j int) bool {
paddy@41 245 return s[i].Added.Before(s[j].Added)
paddy@41 246 }
paddy@41 247
paddy@41 248 func (s sortedEndpoints) Swap(i, j int) {
paddy@41 249 s[i], s[j] = s[j], s[i]
paddy@41 250 }
paddy@41 251
paddy@57 252 type clientStore interface {
paddy@57 253 getClient(id uuid.ID) (Client, error)
paddy@57 254 saveClient(client Client) error
paddy@57 255 updateClient(id uuid.ID, change ClientChange) error
paddy@57 256 deleteClient(id uuid.ID) error
paddy@57 257 listClientsByOwner(ownerID uuid.ID, num, offset int) ([]Client, error)
paddy@41 258
paddy@115 259 addEndpoints(client uuid.ID, endpoint []Endpoint) error
paddy@57 260 removeEndpoint(client, endpoint uuid.ID) error
paddy@58 261 checkEndpoint(client uuid.ID, endpoint string) (bool, error)
paddy@57 262 listEndpoints(client uuid.ID, num, offset int) ([]Endpoint, error)
paddy@57 263 countEndpoints(client uuid.ID) (int64, error)
paddy@0 264 }
paddy@31 265
paddy@57 266 func (m *memstore) getClient(id uuid.ID) (Client, error) {
paddy@31 267 m.clientLock.RLock()
paddy@31 268 defer m.clientLock.RUnlock()
paddy@31 269 c, ok := m.clients[id.String()]
paddy@31 270 if !ok {
paddy@31 271 return Client{}, ErrClientNotFound
paddy@31 272 }
paddy@31 273 return c, nil
paddy@31 274 }
paddy@31 275
paddy@57 276 func (m *memstore) saveClient(client Client) error {
paddy@31 277 m.clientLock.Lock()
paddy@31 278 defer m.clientLock.Unlock()
paddy@31 279 if _, ok := m.clients[client.ID.String()]; ok {
paddy@31 280 return ErrClientAlreadyExists
paddy@31 281 }
paddy@31 282 m.clients[client.ID.String()] = client
paddy@31 283 m.profileClientLookup[client.OwnerID.String()] = append(m.profileClientLookup[client.OwnerID.String()], client.ID)
paddy@31 284 return nil
paddy@31 285 }
paddy@31 286
paddy@57 287 func (m *memstore) updateClient(id uuid.ID, change ClientChange) error {
paddy@39 288 m.clientLock.Lock()
paddy@39 289 defer m.clientLock.Unlock()
paddy@39 290 c, ok := m.clients[id.String()]
paddy@39 291 if !ok {
paddy@39 292 return ErrClientNotFound
paddy@39 293 }
paddy@39 294 c.ApplyChange(change)
paddy@39 295 m.clients[id.String()] = c
paddy@31 296 return nil
paddy@31 297 }
paddy@31 298
paddy@57 299 func (m *memstore) deleteClient(id uuid.ID) error {
paddy@57 300 client, err := m.getClient(id)
paddy@31 301 if err != nil {
paddy@31 302 return err
paddy@31 303 }
paddy@31 304 m.clientLock.Lock()
paddy@31 305 defer m.clientLock.Unlock()
paddy@31 306 delete(m.clients, id.String())
paddy@31 307 pos := -1
paddy@31 308 for p, item := range m.profileClientLookup[client.OwnerID.String()] {
paddy@31 309 if item.Equal(id) {
paddy@31 310 pos = p
paddy@31 311 break
paddy@31 312 }
paddy@31 313 }
paddy@31 314 if pos >= 0 {
paddy@31 315 m.profileClientLookup[client.OwnerID.String()] = append(m.profileClientLookup[client.OwnerID.String()][:pos], m.profileClientLookup[client.OwnerID.String()][pos+1:]...)
paddy@31 316 }
paddy@31 317 return nil
paddy@31 318 }
paddy@31 319
paddy@57 320 func (m *memstore) listClientsByOwner(ownerID uuid.ID, num, offset int) ([]Client, error) {
paddy@33 321 ids := m.lookupClientsByProfileID(ownerID.String())
paddy@31 322 if len(ids) > num+offset {
paddy@31 323 ids = ids[offset : num+offset]
paddy@31 324 } else if len(ids) > offset {
paddy@31 325 ids = ids[offset:]
paddy@31 326 } else {
paddy@31 327 return []Client{}, nil
paddy@31 328 }
paddy@31 329 clients := []Client{}
paddy@31 330 for _, id := range ids {
paddy@57 331 client, err := m.getClient(id)
paddy@31 332 if err != nil {
paddy@31 333 return []Client{}, err
paddy@31 334 }
paddy@31 335 clients = append(clients, client)
paddy@31 336 }
paddy@31 337 return clients, nil
paddy@31 338 }
paddy@41 339
paddy@115 340 func (m *memstore) addEndpoints(client uuid.ID, endpoints []Endpoint) error {
paddy@41 341 m.endpointLock.Lock()
paddy@41 342 defer m.endpointLock.Unlock()
paddy@115 343 m.endpoints[client.String()] = append(m.endpoints[client.String()], endpoints...)
paddy@41 344 return nil
paddy@41 345 }
paddy@41 346
paddy@57 347 func (m *memstore) removeEndpoint(client, endpoint uuid.ID) error {
paddy@41 348 m.endpointLock.Lock()
paddy@41 349 defer m.endpointLock.Unlock()
paddy@41 350 pos := -1
paddy@41 351 for p, item := range m.endpoints[client.String()] {
paddy@41 352 if item.ID.Equal(endpoint) {
paddy@41 353 pos = p
paddy@41 354 break
paddy@41 355 }
paddy@41 356 }
paddy@41 357 if pos >= 0 {
paddy@41 358 m.endpoints[client.String()] = append(m.endpoints[client.String()][:pos], m.endpoints[client.String()][pos+1:]...)
paddy@41 359 }
paddy@41 360 return nil
paddy@41 361 }
paddy@41 362
paddy@58 363 func (m *memstore) checkEndpoint(client uuid.ID, endpoint string) (bool, error) {
paddy@41 364 m.endpointLock.RLock()
paddy@41 365 defer m.endpointLock.RUnlock()
paddy@41 366 for _, candidate := range m.endpoints[client.String()] {
paddy@116 367 if endpoint == candidate.NormalizedURI {
paddy@41 368 return true, nil
paddy@41 369 }
paddy@41 370 }
paddy@41 371 return false, nil
paddy@41 372 }
paddy@41 373
paddy@57 374 func (m *memstore) listEndpoints(client uuid.ID, num, offset int) ([]Endpoint, error) {
paddy@41 375 m.endpointLock.RLock()
paddy@41 376 defer m.endpointLock.RUnlock()
paddy@41 377 return m.endpoints[client.String()], nil
paddy@41 378 }
paddy@54 379
paddy@57 380 func (m *memstore) countEndpoints(client uuid.ID) (int64, error) {
paddy@54 381 m.endpointLock.RLock()
paddy@54 382 defer m.endpointLock.RUnlock()
paddy@54 383 return int64(len(m.endpoints[client.String()])), nil
paddy@54 384 }
paddy@108 385
paddy@108 386 type newClientReq struct {
paddy@108 387 Name string `json:"name"`
paddy@108 388 Logo string `json:"logo"`
paddy@108 389 Website string `json:"website"`
paddy@108 390 Type string `json:"type"`
paddy@108 391 Endpoints []string `json:"endpoints"`
paddy@108 392 }
paddy@108 393
paddy@108 394 func RegisterClientHandlers(r *mux.Router, context Context) {
paddy@108 395 r.Handle("/clients", wrap(context, CreateClientHandler)).Methods("POST")
paddy@131 396 r.Handle("/clients", wrap(context, ListClientsHandler)).Methods("GET")
paddy@131 397 r.Handle("/clients/{id}", wrap(context, GetClientHandler)).Methods("GET")
paddy@133 398 r.Handle("/clients/{id}", wrap(context, UpdateClientHandler)).Methods("PATCH")
paddy@128 399 // BUG(paddy): We need to implement a handler to delete a client. Also, what should that do with the grants and tokens belonging to that client?
paddy@137 400 r.Handle("/clients/{id}/endpoints", wrap(context, AddEndpointsHandler)).Methods("POST")
paddy@128 401 // BUG(paddy): We need to implement a handler to remove an endpoint from a client.
paddy@138 402 r.Handle("/clients/{id}/endpoints", wrap(context, ListEndpointsHandler)).Methods("GET")
paddy@108 403 }
paddy@108 404
paddy@108 405 func CreateClientHandler(w http.ResponseWriter, r *http.Request, c Context) {
paddy@115 406 errors := []requestError{}
paddy@108 407 username, password, ok := r.BasicAuth()
paddy@108 408 if !ok {
paddy@115 409 errors = append(errors, requestError{Slug: requestErrAccessDenied})
paddy@115 410 encode(w, r, http.StatusUnauthorized, response{Errors: errors})
paddy@108 411 return
paddy@108 412 }
paddy@108 413 profile, err := authenticate(username, password, c)
paddy@108 414 if err != nil {
paddy@115 415 errors = append(errors, requestError{Slug: requestErrAccessDenied})
paddy@115 416 encode(w, r, http.StatusUnauthorized, response{Errors: errors})
paddy@108 417 return
paddy@108 418 }
paddy@108 419 var req newClientReq
paddy@108 420 decoder := json.NewDecoder(r.Body)
paddy@108 421 err = decoder.Decode(&req)
paddy@108 422 if err != nil {
paddy@108 423 encode(w, r, http.StatusBadRequest, invalidFormatResponse)
paddy@108 424 return
paddy@108 425 }
paddy@116 426 if req.Type == "" {
paddy@116 427 errors = append(errors, requestError{Slug: requestErrMissing, Field: "/type"})
paddy@116 428 } else if req.Type != clientTypePublic && req.Type != clientTypeConfidential {
paddy@115 429 errors = append(errors, requestError{Slug: requestErrInvalidValue, Field: "/type"})
paddy@116 430 }
paddy@116 431 if req.Name == "" {
paddy@116 432 errors = append(errors, requestError{Slug: requestErrMissing, Field: "/name"})
paddy@116 433 } else if len(req.Name) < minClientNameLen {
paddy@116 434 errors = append(errors, requestError{Slug: requestErrInsufficient, Field: "/name"})
paddy@116 435 } else if len(req.Name) > maxClientNameLen {
paddy@116 436 errors = append(errors, requestError{Slug: requestErrOverflow, Field: "/name"})
paddy@116 437 }
paddy@116 438 if len(errors) > 0 {
paddy@115 439 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@108 440 return
paddy@108 441 }
paddy@108 442 client := Client{
paddy@108 443 ID: uuid.NewID(),
paddy@108 444 OwnerID: profile.ID,
paddy@108 445 Name: req.Name,
paddy@108 446 Logo: req.Logo,
paddy@108 447 Website: req.Website,
paddy@108 448 Type: req.Type,
paddy@108 449 }
paddy@118 450 if client.Type == clientTypeConfidential {
paddy@115 451 secret := make([]byte, 32)
paddy@115 452 _, err = rand.Read(secret)
paddy@115 453 if err != nil {
paddy@115 454 encode(w, r, http.StatusInternalServerError, actOfGodResponse)
paddy@115 455 return
paddy@115 456 }
paddy@115 457 client.Secret = hex.EncodeToString(secret)
paddy@115 458 }
paddy@108 459 err = c.SaveClient(client)
paddy@108 460 if err != nil {
paddy@115 461 if err == ErrClientAlreadyExists {
paddy@115 462 errors = append(errors, requestError{Slug: requestErrConflict, Field: "/id"})
paddy@115 463 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@115 464 return
paddy@115 465 }
paddy@115 466 encode(w, r, http.StatusInternalServerError, actOfGodResponse)
paddy@108 467 return
paddy@108 468 }
paddy@108 469 endpoints := []Endpoint{}
paddy@115 470 for pos, u := range req.Endpoints {
paddy@108 471 uri, err := url.Parse(u)
paddy@108 472 if err != nil {
paddy@115 473 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Field: "/endpoints/" + strconv.Itoa(pos)})
paddy@108 474 continue
paddy@108 475 }
paddy@116 476 if !uri.IsAbs() {
paddy@116 477 errors = append(errors, requestError{Slug: requestErrInvalidValue, Field: "/endpoints/" + strconv.Itoa(pos)})
paddy@116 478 continue
paddy@116 479 }
paddy@108 480 endpoint := Endpoint{
paddy@108 481 ID: uuid.NewID(),
paddy@108 482 ClientID: client.ID,
paddy@116 483 URI: uri.String(),
paddy@108 484 Added: time.Now(),
paddy@108 485 }
paddy@108 486 endpoints = append(endpoints, endpoint)
paddy@108 487 }
paddy@115 488 err = c.AddEndpoints(client.ID, endpoints)
paddy@115 489 if err != nil {
paddy@115 490 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@115 491 encode(w, r, http.StatusInternalServerError, response{Errors: errors, Clients: []Client{client}})
paddy@115 492 return
paddy@115 493 }
paddy@108 494 resp := response{
paddy@108 495 Clients: []Client{client},
paddy@108 496 Endpoints: endpoints,
paddy@116 497 Errors: errors,
paddy@108 498 }
paddy@108 499 encode(w, r, http.StatusCreated, resp)
paddy@108 500 }
paddy@121 501
paddy@131 502 func GetClientHandler(w http.ResponseWriter, r *http.Request, c Context) {
paddy@131 503 errors := []requestError{}
paddy@131 504 vars := mux.Vars(r)
paddy@131 505 if vars["id"] == "" {
paddy@131 506 errors = append(errors, requestError{Slug: requestErrMissing, Param: "id"})
paddy@131 507 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@131 508 return
paddy@131 509 }
paddy@131 510 id, err := uuid.Parse(vars["id"])
paddy@131 511 if err != nil {
paddy@131 512 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "id"})
paddy@131 513 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@131 514 return
paddy@131 515 }
paddy@131 516 client, err := c.GetClient(id)
paddy@131 517 if err != nil {
paddy@131 518 if err == ErrClientNotFound {
paddy@131 519 errors = append(errors, requestError{Slug: requestErrNotFound, Param: "id"})
paddy@131 520 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@131 521 return
paddy@131 522 }
paddy@131 523 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@131 524 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@131 525 return
paddy@131 526 }
paddy@131 527 client.Secret = ""
paddy@131 528 // BUG(paddy): How should auth be handled for retrieving clients?
paddy@131 529 resp := response{
paddy@131 530 Clients: []Client{client},
paddy@131 531 Errors: errors,
paddy@131 532 }
paddy@131 533 encode(w, r, http.StatusOK, resp)
paddy@131 534 }
paddy@131 535
paddy@131 536 func ListClientsHandler(w http.ResponseWriter, r *http.Request, c Context) {
paddy@131 537 errors := []requestError{}
paddy@131 538 var err error
paddy@131 539 // BUG(paddy): If ids are provided in query params, retrieve only those clients
paddy@131 540 // BUG(paddy): We should have auth when listing clients
paddy@131 541 num := defaultClientResponseSize
paddy@131 542 offset := 0
paddy@131 543 ownerIDStr := r.URL.Query().Get("owner_id")
paddy@131 544 numStr := r.URL.Query().Get("num")
paddy@131 545 offsetStr := r.URL.Query().Get("offset")
paddy@131 546 if numStr != "" {
paddy@131 547 num, err = strconv.Atoi(numStr)
paddy@131 548 if err != nil {
paddy@131 549 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "num"})
paddy@131 550 }
paddy@131 551 if num > maxClientResponseSize {
paddy@131 552 errors = append(errors, requestError{Slug: requestErrOverflow, Param: "num"})
paddy@131 553 }
paddy@131 554 }
paddy@131 555 if offsetStr != "" {
paddy@131 556 offset, err = strconv.Atoi(offsetStr)
paddy@131 557 if err != nil {
paddy@131 558 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "offset"})
paddy@131 559 }
paddy@131 560 }
paddy@131 561 if ownerIDStr == "" {
paddy@131 562 errors = append(errors, requestError{Slug: requestErrMissing, Param: "owner_id"})
paddy@131 563 }
paddy@131 564 if len(errors) > 0 {
paddy@131 565 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@131 566 return
paddy@131 567 }
paddy@131 568 ownerID, err := uuid.Parse(ownerIDStr)
paddy@131 569 if err != nil {
paddy@131 570 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "owner_id"})
paddy@131 571 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@131 572 return
paddy@131 573 }
paddy@131 574 clients, err := c.ListClientsByOwner(ownerID, num, offset)
paddy@131 575 if err != nil {
paddy@131 576 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@131 577 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@131 578 return
paddy@131 579 }
paddy@131 580 for pos, client := range clients {
paddy@131 581 client.Secret = ""
paddy@131 582 clients[pos] = client
paddy@131 583 }
paddy@131 584 resp := response{
paddy@131 585 Clients: clients,
paddy@131 586 Errors: errors,
paddy@131 587 }
paddy@131 588 encode(w, r, http.StatusOK, resp)
paddy@131 589 }
paddy@131 590
paddy@133 591 func UpdateClientHandler(w http.ResponseWriter, r *http.Request, c Context) {
paddy@133 592 errors := []requestError{}
paddy@133 593 vars := mux.Vars(r)
paddy@133 594 if _, ok := vars["id"]; !ok {
paddy@133 595 errors = append(errors, requestError{Slug: requestErrMissing, Param: "id"})
paddy@133 596 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@133 597 return
paddy@133 598 }
paddy@133 599 var change ClientChange
paddy@133 600 err := decode(r, &change)
paddy@133 601 if err != nil {
paddy@133 602 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Field: "/"})
paddy@133 603 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@133 604 return
paddy@133 605 }
paddy@133 606 errs := change.Validate()
paddy@133 607 for _, err := range errs {
paddy@133 608 switch err {
paddy@133 609 case ErrEmptyChange:
paddy@133 610 errors = append(errors, requestError{Slug: requestErrMissing, Field: "/"})
paddy@133 611 case ErrClientNameTooShort:
paddy@133 612 errors = append(errors, requestError{Slug: requestErrInsufficient, Field: "/name"})
paddy@133 613 case ErrClientNameTooLong:
paddy@133 614 errors = append(errors, requestError{Slug: requestErrOverflow, Field: "/name"})
paddy@133 615 case ErrClientLogoTooLong:
paddy@133 616 errors = append(errors, requestError{Slug: requestErrOverflow, Field: "/logo"})
paddy@133 617 case ErrClientLogoNotURL:
paddy@133 618 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Field: "/logo"})
paddy@133 619 case ErrClientWebsiteTooLong:
paddy@133 620 errors = append(errors, requestError{Slug: requestErrOverflow, Field: "/website"})
paddy@133 621 case ErrClientWebsiteNotURL:
paddy@133 622 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Field: "/website"})
paddy@133 623 default:
paddy@133 624 log.Println("Unrecognised error from client change validation:", err)
paddy@133 625 }
paddy@133 626 }
paddy@133 627 id, err := uuid.Parse(vars["id"])
paddy@133 628 if err != nil {
paddy@133 629 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "id"})
paddy@133 630 }
paddy@133 631 if len(errors) > 0 {
paddy@133 632 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@133 633 return
paddy@133 634 }
paddy@133 635 client, err := c.GetClient(id)
paddy@133 636 if err == ErrClientNotFound {
paddy@133 637 errors = append(errors, requestError{Slug: requestErrNotFound, Param: "id"})
paddy@133 638 encode(w, r, http.StatusNotFound, response{Errors: errors})
paddy@133 639 return
paddy@133 640 } else if err != nil {
paddy@133 641 log.Println("Error retrieving client:", err)
paddy@133 642 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@133 643 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@133 644 return
paddy@133 645 }
paddy@133 646 if change.Secret != nil && client.Type == clientTypeConfidential {
paddy@133 647 secret := make([]byte, 32)
paddy@133 648 _, err = rand.Read(secret)
paddy@133 649 if err != nil {
paddy@133 650 encode(w, r, http.StatusInternalServerError, actOfGodResponse)
paddy@133 651 return
paddy@133 652 }
paddy@133 653 newSecret := hex.EncodeToString(secret)
paddy@133 654 change.Secret = &newSecret
paddy@133 655 }
paddy@133 656 err = c.UpdateClient(id, change)
paddy@133 657 if err != nil {
paddy@133 658 log.Println("Error updating client:", err)
paddy@133 659 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@133 660 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@133 661 return
paddy@133 662 }
paddy@133 663 client.ApplyChange(change)
paddy@133 664 encode(w, r, http.StatusOK, response{Clients: []Client{client}, Errors: errors})
paddy@133 665 return
paddy@133 666 }
paddy@133 667
paddy@137 668 func AddEndpointsHandler(w http.ResponseWriter, r *http.Request, c Context) {
paddy@137 669 type addEndpointReq struct {
paddy@137 670 Endpoints []string `json:"endpoints"`
paddy@137 671 }
paddy@137 672 errors := []requestError{}
paddy@137 673 vars := mux.Vars(r)
paddy@137 674 if vars["id"] == "" {
paddy@137 675 errors = append(errors, requestError{Slug: requestErrMissing, Param: "id"})
paddy@137 676 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@137 677 return
paddy@137 678 }
paddy@137 679 id, err := uuid.Parse(vars["id"])
paddy@137 680 if err != nil {
paddy@137 681 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "id"})
paddy@137 682 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@137 683 return
paddy@137 684 }
paddy@137 685 _, err = c.GetClient(id)
paddy@137 686 if err != nil {
paddy@137 687 if err == ErrClientNotFound {
paddy@137 688 errors = append(errors, requestError{Slug: requestErrNotFound, Param: "id"})
paddy@137 689 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@137 690 return
paddy@137 691 }
paddy@137 692 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@137 693 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@137 694 return
paddy@137 695 }
paddy@137 696 var req addEndpointReq
paddy@137 697 decoder := json.NewDecoder(r.Body)
paddy@137 698 err = decoder.Decode(&req)
paddy@137 699 if err != nil {
paddy@137 700 encode(w, r, http.StatusBadRequest, invalidFormatResponse)
paddy@137 701 return
paddy@137 702 }
paddy@137 703 if len(req.Endpoints) < 1 {
paddy@137 704 errors = append(errors, requestError{Slug: requestErrMissing, Field: "/endpoints"})
paddy@137 705 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@137 706 return
paddy@137 707 }
paddy@137 708 endpoints := []Endpoint{}
paddy@137 709 for pos, u := range req.Endpoints {
paddy@137 710 if parsed, err := url.Parse(u); err != nil {
paddy@137 711 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Field: "/endpoints/" + strconv.Itoa(pos)})
paddy@137 712 continue
paddy@137 713 } else if !parsed.IsAbs() {
paddy@137 714 errors = append(errors, requestError{Slug: requestErrInvalidValue, Field: "/endpoints" + strconv.Itoa(pos)})
paddy@137 715 continue
paddy@137 716 }
paddy@137 717 e := Endpoint{
paddy@137 718 ID: uuid.NewID(),
paddy@137 719 ClientID: id,
paddy@137 720 URI: u,
paddy@137 721 Added: time.Now(),
paddy@137 722 }
paddy@137 723 endpoints = append(endpoints, e)
paddy@137 724 }
paddy@137 725 if len(errors) > 0 {
paddy@137 726 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@137 727 return
paddy@137 728 }
paddy@137 729 err = c.AddEndpoints(id, endpoints)
paddy@137 730 if err != nil {
paddy@137 731 encode(w, r, http.StatusInternalServerError, actOfGodResponse)
paddy@137 732 return
paddy@137 733 }
paddy@137 734 resp := response{
paddy@137 735 Errors: errors,
paddy@137 736 Endpoints: endpoints,
paddy@137 737 }
paddy@137 738 encode(w, r, http.StatusCreated, resp)
paddy@137 739 }
paddy@137 740
paddy@138 741 func ListEndpointsHandler(w http.ResponseWriter, r *http.Request, c Context) {
paddy@138 742 errors := []requestError{}
paddy@138 743 vars := mux.Vars(r)
paddy@138 744 clientID, err := uuid.Parse(vars["id"])
paddy@138 745 if err != nil {
paddy@138 746 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "client_id"})
paddy@138 747 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@138 748 return
paddy@138 749 }
paddy@138 750 num := defaultEndpointResponseSize
paddy@138 751 offset := 0
paddy@138 752 numStr := r.URL.Query().Get("num")
paddy@138 753 offsetStr := r.URL.Query().Get("offset")
paddy@138 754 if numStr != "" {
paddy@138 755 num, err = strconv.Atoi(numStr)
paddy@138 756 if err != nil {
paddy@138 757 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "num"})
paddy@138 758 }
paddy@138 759 if num > maxEndpointResponseSize {
paddy@138 760 errors = append(errors, requestError{Slug: requestErrOverflow, Param: "num"})
paddy@138 761 }
paddy@138 762 }
paddy@138 763 if offsetStr != "" {
paddy@138 764 offset, err = strconv.Atoi(offsetStr)
paddy@138 765 if err != nil {
paddy@138 766 errors = append(errors, requestError{Slug: requestErrInvalidFormat, Param: "offset"})
paddy@138 767 }
paddy@138 768 }
paddy@138 769 if len(errors) > 0 {
paddy@138 770 encode(w, r, http.StatusBadRequest, response{Errors: errors})
paddy@138 771 return
paddy@138 772 }
paddy@138 773 endpoints, err := c.ListEndpoints(clientID, num, offset)
paddy@138 774 if err != nil {
paddy@138 775 errors = append(errors, requestError{Slug: requestErrActOfGod})
paddy@138 776 encode(w, r, http.StatusInternalServerError, response{Errors: errors})
paddy@138 777 return
paddy@138 778 }
paddy@138 779 resp := response{
paddy@138 780 Endpoints: endpoints,
paddy@138 781 Errors: errors,
paddy@138 782 }
paddy@138 783 encode(w, r, http.StatusOK, resp)
paddy@138 784 }
paddy@138 785
paddy@135 786 func clientCredentialsValidate(w http.ResponseWriter, r *http.Request, context Context) (scopes []string, profileID uuid.ID, valid bool) {
paddy@135 787 scopes = strings.Split(r.PostFormValue("scope"), " ")
paddy@121 788 valid = true
paddy@121 789 return
paddy@121 790 }
paddy@124 791
paddy@124 792 func clientCredentialsAuditString(r *http.Request) string {
paddy@124 793 return "client_credentials"
paddy@124 794 }