add claims and regex policy selector

changelog/unreleased/claims-policy-selector.md

@@ -0,0 +1,5 @@
+Enhancement: Proxy: Add claims policy selector
+
+Using the proxy config file, it is now possible to let let the IdP determine the routing policy by sending an `ocis.routing.policy` claim. Its value will be used to determine the set of routes for the logged in user.
+
+https://github.com/owncloud/ocis/pull/2248

ocis-pkg/oidc/claims.go

@@ -1,15 +1,16 @@
 package oidc
 
 const (
-	Iss = "iss"
-	Sub = "sub"
-	Email = "email"
-	Name = "name"
+	Iss               = "iss"
+	Sub               = "sub"
+	Email             = "email"
+	Name              = "name"
 	PreferredUsername = "preferred_username"
-	UIDNumber = "uidnumber"
-	GIDNumber = "gidnumber"
-	Groups = "groups"
-	OwncloudUUID = "ownclouduuid"
+	UIDNumber         = "uidnumber"
+	GIDNumber         = "gidnumber"
+	Groups            = "groups"
+	OwncloudUUID      = "ownclouduuid"
+	OcisRoutingPolicy = "ocis.routing.policy"
 )
 
 // The ProviderMetadata describes an idp.
@@ -192,4 +193,7 @@ type StandardClaims struct {
 
 	// OcisID is a unique, persistent, non reassignable user id
 	OcisID string `json:"ownclouduuid,omitempty"`
+
+	// OcisRoutingPolicy is used to specify the routing policy to use for the ocis proxy
+	OcisRoutingPolicy string `json:"ocis.routing.policy,omitempty"`
 }

proxy/config/proxy-example-migration.json

@@ -1,6 +1,7 @@
 {
-  "HTTP": {
-    "Namespace": "com.owncloud"
+  "http": {
+    "addr": "0.0.0.0:9200",
+    "root": "/"
   },
   "oidc": {
     "issuer": "https://localhost:9200",

proxy/config/proxy-example-regex.json

@@ -0,0 +1,168 @@
+{
+  "http": {
+    "addr": "0.0.0.0:9200",
+    "root": "/"
+  },
+  "oidc": {
+    "issuer": "https://localhost:9200",
+    "insecure": true
+  },
+  "policy_selector": {
+    "regex": {
+      "selector_cookie_name": "owncloud-selector",
+      "default_policy": "oc10",
+      "matches_policies": [
+        {"priority": 10, "property": "mail", "match": "[email protected]", "policy": "ocis"},
+        {"priority": 20, "property": "mail", "match": "[^@][email protected]", "policy": "oc10"},
+        {"priority": 30, "property": "username", "match": "(einstein|feynman)", "policy": "ocis"},
+        {"priority": 40, "property": "username", "match": ".+", "policy": "oc10"},
+        {"priority": 50, "property": "id", "match": "4c510ada-c86b-4815-8820-42cdf82c3d51", "policy": "ocis"},
+        {"priority": 60, "property": "id", "match": "f7fbf8c8-139b-4376-b307-cf0a8c2d0d9c", "policy": "oc10"}
+      ],
+      "unauthenticated_policy": "oc10"
+    }
+  },
+  "policies": [
+    {
+      "name": "ocis",
+      "routes": [
+        {
+          "endpoint": "/",
+          "backend": "http://localhost:9100"
+        },
+        {
+          "endpoint": "/.well-known/",
+          "backend": "http://localhost:9130"
+        },
+        {
+          "endpoint": "/konnect/",
+          "backend": "http://localhost:9130"
+        },
+        {
+          "endpoint": "/signin/",
+          "backend": "http://localhost:9130"
+        },
+        {
+          "type": "regex",
+          "endpoint": "/ocs/v[12].php/cloud/(users?|groups)",
+          "backend": "http://localhost:9110"
+        },
+        {
+          "endpoint": "/ocs/",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "type": "query",
+          "endpoint": "/remote.php/?preview=1",
+          "backend": "http://localhost:9115"
+        },
+        {
+          "endpoint": "/remote.php/",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "endpoint": "/dav/",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "endpoint": "/webdav/",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "endpoint": "/status.php",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "endpoint": "/index.php/",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "endpoint": "/data",
+          "backend": "http://localhost:9140"
+        },
+        {
+          "endpoint": "/graph/",
+          "backend": "http://localhost:9120"
+        },
+        {
+          "endpoint": "/graph-explorer/",
+          "backend": "http://localhost:9135"
+        },
+        {
+          "endpoint": "/api/v0/accounts",
+          "backend": "http://localhost:9181"
+        },
+        {
+          "endpoint": "/accounts.js",
+          "backend": "http://localhost:9181"
+        },
+        {
+          "endpoint": "/api/v0/settings",
+          "backend": "http://localhost:9190"
+        },
+        {
+          "endpoint": "/settings.js",
+          "backend": "http://localhost:9190"
+        },
+        {
+          "endpoint": "/onlyoffice.js",
+          "backend": "http://localhost:9220"
+        }
+      ]
+    },
+    {
+      "name": "oc10",
+      "routes": [
+        {
+          "endpoint": "/",
+          "backend": "http://localhost:9100"
+        },
+        {
+          "endpoint": "/.well-known/",
+          "backend": "http://localhost:9130"
+        },
+        {
+          "endpoint": "/konnect/",
+          "backend": "http://localhost:9130"
+        },
+        {
+          "endpoint": "/signin/",
+          "backend": "http://localhost:9130"
+        },
+        {
+          "endpoint": "/ocs/",
+          "backend": "https://demo.owncloud.com",
+          "apache-vhost": true
+        },
+        {
+          "endpoint": "/remote.php/",
+          "backend": "https://demo.owncloud.com",
+          "apache-vhost": true
+        },
+        {
+          "endpoint": "/dav/",
+          "backend": "https://demo.owncloud.com",
+          "apache-vhost": true
+        },
+        {
+          "endpoint": "/webdav/",
+          "backend": "https://demo.owncloud.com",
+          "apache-vhost": true
+        },
+        {
+          "endpoint": "/status.php",
+          "backend": "https://demo.owncloud.com"
+        },
+        {
+          "endpoint": "/index.php/",
+          "backend": "https://demo.owncloud.com"
+        },
+        {
+          "endpoint": "/data",
+          "backend": "https://demo.owncloud.com",
+          "apache-vhost": true
+        }
+      ]
+    }
+  ]
+}

proxy/config/proxy-example.json

@@ -1,6 +1,7 @@
 {
-  "HTTP": {
-    "Namespace": "com.owncloud"
+  "http": {
+    "addr": "0.0.0.0:9200",
+    "root": "/"
   },
   "policy_selector": {
     "static": {

proxy/pkg/command/server.go

@@ -221,6 +221,12 @@ func loadMiddlewares(ctx context.Context, l log.Logger, cfg *config.Config) alic
 			middleware.AutoprovisionAccounts(cfg.AutoprovisionAccounts),
 		),
 
+		middleware.SelectorCookie(
+			middleware.Logger(l),
+			middleware.UserProvider(userProvider),
+			middleware.PolicySelectorConfig(*cfg.PolicySelector),
+		),
+
 		// finally, trigger home creation when a user logs in
 		middleware.CreateHome(
 			middleware.Logger(l),

proxy/pkg/config/config.go

@@ -1,6 +1,8 @@
 package config
 
-import "context"
+import (
+	"context"
+)
 
 // Log defines the available logging configuration.
 type Log struct {
@@ -141,6 +143,8 @@ type OIDC struct {
 type PolicySelector struct {
 	Static    *StaticSelectorConf
 	Migration *MigrationSelectorConf
+	Claims    *ClaimsSelectorConf
+	Regex     *RegexSelectorConf
 }
 
 // StaticSelectorConf is the config for the static-policy-selector
@@ -166,6 +170,27 @@ type MigrationSelectorConf struct {
 	UnauthenticatedPolicy string `mapstructure:"unauthenticated_policy"`
 }
 
+// ClaimsSelectorConf is the config for the claims-selector
+type ClaimsSelectorConf struct {
+	DefaultPolicy         string `mapstructure:"default_policy"`
+	UnauthenticatedPolicy string `mapstructure:"unauthenticated_policy"`
+	SelectorCookieName    string `mapstructure:"selector_cookie_name"`
+}
+
+// RegexSelectorConf is the config for the regex-selector
+type RegexSelectorConf struct {
+	DefaultPolicy         string          `mapstructure:"default_policy"`
+	MatchesPolicies       []RegexRuleConf `mapstructure:"matches_policies"`
+	UnauthenticatedPolicy string          `mapstructure:"unauthenticated_policy"`
+	SelectorCookieName    string          `mapstructure:"selector_cookie_name"`
+}
+type RegexRuleConf struct {
+	Priority int    `mapstructure:"priority"`
+	Property string `mapstructure:"property"`
+	Match    string `mapstructure:"match"`
+	Policy   string `mapstructure:"policy"`
+}
+
 // New initializes a new configuration
 func New() *Config {
 	return &Config{

proxy/pkg/flagset/flagset.go

@@ -254,7 +254,7 @@ func ServerWithConfig(cfg *config.Config) []cli.Flag {
 		&cli.StringFlag{
 			Name:        "user-cs3-claim",
 			Value:       flags.OverrideDefaultString(cfg.UserCS3Claim, "mail"),
-			Usage:       "The claim to use when looking up a user in the CS3 API, eg. 'userid' or 'mail'",
+			Usage:       "The CS3 claim to use when looking up a user in the CS3 users API, eg. 'userid', 'username' or 'mail'",
 			EnvVars:     []string{"PROXY_USER_CS3_CLAIM"},
 			Destination: &cfg.UserCS3Claim,
 		},

proxy/pkg/middleware/account_resolver.go

@@ -26,7 +26,7 @@ func AccountResolver(optionSetters ...Option) func(next http.Handler) http.Handl
 			"expires": int64(60),
 		})
 		if err != nil {
-			logger.Fatal().Err(err).Msgf("Could not initialize token-manager")
+			logger.Fatal().Err(err).Msg("Could not initialize token-manager")
 		}
 
 		return &accountResolver{
@@ -53,8 +53,10 @@ type accountResolver struct {
 
 // TODO do not use the context to store values: https://medium.com/@cep21/how-to-correctly-use-context-context-in-go-1-7-8f2c0fafdf39
 func (m accountResolver) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	claims := oidc.FromContext(req.Context())
-	u, ok := revauser.ContextGetUser(req.Context())
+	ctx := req.Context()
+	claims := oidc.FromContext(ctx)
+	u, ok := revauser.ContextGetUser(ctx)
+	// TODO what if an X-Access-Token is set? happens eg for download requests to the /data endpoint in the reva frontend
 
 	if claims == nil && !ok {
 		m.next.ServeHTTP(w, req)
@@ -83,6 +85,8 @@ func (m accountResolver) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 			}
 			m.logger.Debug().Interface("claims", claims).Msg("Autoprovisioning user")
 			u, err = m.userProvider.CreateUserFromClaims(req.Context(), claims)
+			// TODO instead of creating an account create a personal storage via the CS3 admin api?
+			// see https://cs3org.github.io/cs3apis/#cs3.admin.user.v1beta1.CreateUserRequest
 		}
 
 		if errors.Is(err, backend.ErrAccountDisabled) {
@@ -97,6 +101,10 @@ func (m accountResolver) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 			return
 		}
 
+		// add user to context for selectors
+		ctx = revauser.ContextSetUser(ctx, u)
+		req = req.WithContext(ctx)
+
 		m.logger.Debug().Interface("claims", claims).Interface("user", u).Msg("associated claims with user")
 	}
 
@@ -105,7 +113,7 @@ func (m accountResolver) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 		m.logger.Error().Err(err).Msg("could not get owner scope")
 		return
 	}
-	token, err := m.tokenManager.MintToken(req.Context(), u, s)
+	token, err := m.tokenManager.MintToken(ctx, u, s)
 	if err != nil {
 		m.logger.Error().Err(err).Msg("could not mint token")
 		w.WriteHeader(http.StatusInternalServerError)

proxy/pkg/middleware/options.go

@@ -1,10 +1,11 @@
 package middleware
 
 import (
-	"github.com/owncloud/ocis/proxy/pkg/user/backend"
 	"net/http"
 	"time"
 
+	"github.com/owncloud/ocis/proxy/pkg/user/backend"
+
 	settings "github.com/owncloud/ocis/settings/pkg/proto/v0"
 
 	gateway "github.com/cs3org/go-cs3apis/cs3/gateway/v1beta1"
@@ -23,6 +24,8 @@ type Options struct {
 	Logger log.Logger
 	// TokenManagerConfig for communicating with the reva token manager
 	TokenManagerConfig config.TokenManager
+	// PolicySelectorConfig for using the policy selector
+	PolicySelector config.PolicySelector
 	// HTTPClient to use for communication with the oidcAuth provider
 	HTTPClient *http.Client
 	// AccountsClient for resolving accounts
@@ -82,6 +85,13 @@ func TokenManagerConfig(cfg config.TokenManager) Option {
 	}
 }
 
+// PolicySelectorConfig provides a function to set the policy selector config option.
+func PolicySelectorConfig(cfg config.PolicySelector) Option {
+	return func(o *Options) {
+		o.PolicySelector = cfg
+	}
+}
+
 // HTTPClient provides a function to set the http client config option.
 func HTTPClient(c *http.Client) Option {
 	return func(o *Options) {