Merge pull request #874 from CartoDB/project-auth-api-fallback

add fallback for using metadata fallback

lib/cartodb/api/auth_api.js

@@ -1,3 +1,5 @@
+var _ = require('underscore'); // AUTH_FALLBACK
+
 /**
  *
  * @param {PgConnection} pgConnection
@@ -45,10 +47,10 @@ AuthApi.prototype.authorizedBySigner = function(res, callback) {
 };
 
 function isValidApiKey(apikey) {
-    return apikey.type !== null &&
+    return apikey.type &&
-        apikey.user !== null &&
+        apikey.user &&
-        apikey.databasePassword !== null &&
+        apikey.databasePassword &&
-        apikey.databaseRole !== null;
+        apikey.databaseRole;
 }
 
 // Check if a request is authorized by api_key
@@ -68,8 +70,18 @@ AuthApi.prototype.authorizedByAPIKey = function(user, res, callback) {
 
     this.metadataBackend.getApikey(user, apikeyToken, (err, apikey) => {
         if (err) {
+            if (isNameNotFoundError(err)) {
+                err.http_status = 404;
+            }
+
             return callback(err);
         }
+
+        //Remove this block when Auth fallback is not used anymore
+        // AUTH_FALLBACK
+        apikey.databaseRole = composeUserDatabase(apikey);
+        apikey.databasePassword = composeDatabasePassword(apikey);
+
         if ( !isValidApiKey(apikey)) {
             const error = new Error('Unauthorized');
             error.type = 'auth';
@@ -79,7 +91,7 @@ AuthApi.prototype.authorizedByAPIKey = function(user, res, callback) {
             return callback(error);
         }
 
-        if (apikeyUsername && (apikeyUsername !== res.locals.user)) {
+        if (!usernameMatches(apikeyUsername, res.locals.user)) {
             const error = new Error('Forbidden');
             error.type = 'auth';
             error.subtype = 'api-key-username-mismatch';
@@ -101,6 +113,46 @@ AuthApi.prototype.authorizedByAPIKey = function(user, res, callback) {
     });
 };
 
+//Remove this block when Auth fallback is not used anymore
+// AUTH_FALLBACK
+function composeUserDatabase (apikey) {
+    if (shouldComposeUserDatabase(apikey)) {
+        return _.template(global.environment.postgres_auth_user, apikey);
+    }
+
+    return apikey.databaseRole;
+}
+
+//Remove this block when Auth fallback is not used anymore
+// AUTH_FALLBACK
+function composeDatabasePassword (apikey) {
+    if (shouldComposeDatabasePassword(apikey)) {
+        return global.environment.postgres.password;
+    }
+
+    return apikey.databasePassword;
+}
+
+//Remove this block when Auth fallback is not used anymore
+// AUTH_FALLBACK
+function shouldComposeDatabasePassword (apikey) {
+    return !apikey.databasePassword && global.environment.postgres.password;
+}
+
+//Remove this block when Auth fallback is not used anymore
+// AUTH_FALLBACK
+function shouldComposeUserDatabase(apikey) {
+    return !apikey.databaseRole && apikey.user_id && global.environment.postgres_auth_user;
+}
+
+function isNameNotFoundError (err) {
+    return err.message && -1 !== err.message.indexOf('name not found');
+}
+
+function usernameMatches (apikeyUsername, requestUsername) {
+    return !(apikeyUsername && (apikeyUsername !== requestUsername));
+}
+
 /**
  * Check access authorization
  *

lib/cartodb/backends/pg_connection.js

@@ -22,34 +22,74 @@ PgConnection.prototype.setDBAuth = function(username, params, apikeyType, callba
     if (apikeyType === 'master') {
         this.metadataBackend.getMasterApikey(username, (err, apikey) => {
             if (err) {
+                if (isNameNotFoundError(err)) {
+                    err.http_status = 404;
+                }
                 return callback(err);
             }
 
             params.dbuser = apikey.databaseRole;
             params.dbpassword = apikey.databasePassword;
 
+            //Remove this block when Auth fallback is not used anymore
+            // AUTH_FALLBACK
+            if (!params.dbuser && apikey.user_id && global.environment.postgres_auth_user) {
+                params.dbuser = _.template(global.environment.postgres_auth_user, apikey);
+            }
+
             return callback();
         });
-    } else if (apikeyType === 'regular') {
+    } else if (apikeyType === 'regular') { //Actually it can be any type of api key
         this.metadataBackend.getApikey(username, params.api_key, (err, apikey) => {
             if (err) {
+                if (isNameNotFoundError(err)) {
+                    err.http_status = 404;
+                }
                 return callback(err);
             }
 
             params.dbuser = apikey.databaseRole;
             params.dbpassword = apikey.databasePassword;
 
+            //Remove this block when Auth fallback is not used anymore
+            // AUTH_FALLBACK
+            if (!params.dbuser && apikey.user_id && apikey.type === 'master' && global.environment.postgres_auth_user) {
+                params.dbuser = _.template(global.environment.postgres_auth_user, apikey);
+            }
+
+            //Remove this block when Auth fallback is not used anymore
+            // AUTH_FALLBACK
+            if (!params.dbpassword && global.environment.postgres.password) {
+                params.dbpassword = global.environment.postgres.password;
+            }
+
+            //Remove this block when Auth fallback is not used anymore
+            // AUTH_FALLBACK
+            // If api key not found use default
+            if (!params.dbuser && !params.dbpassword) {
+                return this.setDBAuth(username, params, 'default', callback);
+            }
+
             return callback();
         });
     } else if (apikeyType === 'default') {
         this.metadataBackend.getApikey(username, 'default_public', (err, apikey) => {
             if (err) {
+                if (isNameNotFoundError(err)) {
+                    err.http_status = 404;
+                }
                 return callback(err);
             }
 
             params.dbuser = apikey.databaseRole;
             params.dbpassword = apikey.databasePassword;
 
+            //Remove this block when Auth fallback is not used anymore
+            // AUTH_FALLBACK
+            if (!params.dbpassword && global.environment.postgres.password) {
+                params.dbpassword = global.environment.postgres.password;
+            }
+
             return callback();
         });
     } else {
@@ -57,6 +97,11 @@ PgConnection.prototype.setDBAuth = function(username, params, apikeyType, callba
     }
 };
 
+function isNameNotFoundError (err) {
+    return err.message && -1 !== err.message.indexOf('name not found');
+}
+
+
 // Set db connection parameters to those for the given username
 //
 // @param dbowner cartodb username of database owner,

test/acceptance/auth/authorization-fallback.js

@@ -0,0 +1,181 @@
+//Remove this file when Auth fallback is not used anymore
+// AUTH_FALLBACK
+
+const assert = require('../../support/assert');
+const testHelper = require('../../support/test_helper');
+const CartodbWindshaft = require('../../../lib/cartodb/server');
+const serverOptions = require('../../../lib/cartodb/server_options');
+const server = new CartodbWindshaft(serverOptions);
+var LayergroupToken = require('../../../lib/cartodb/models/layergroup-token');
+
+function singleLayergroupConfig(sql, cartocss) {
+    return {
+        version: '1.7.0',
+        layers: [
+            {
+                type: 'mapnik',
+                options: {
+                    sql: sql,
+                    cartocss: cartocss,
+                    cartocss_version: '2.3.0'
+                }
+            }
+        ]
+    };
+}
+
+function createRequest(layergroup, userHost, apiKey) {
+    var url = layergroupUrl;
+    if (apiKey) {
+        url += '?api_key=' + apiKey;
+    }
+    return {
+        url: url,
+        method: 'POST',
+        headers: {
+            host: userHost || 'localhost',
+            'Content-Type': 'application/json'
+        },
+        data: JSON.stringify(layergroup)
+    };
+}
+
+var layergroupUrl = '/api/v1/map';
+var pointSqlMaster = "select * from test_table_private_1";
+var pointSqlPublic = "select * from test_table";
+var keysToDelete;
+
+describe('authorization fallback', function () {
+    beforeEach(function () {
+        keysToDelete = {};
+    });
+
+    afterEach(function (done) {
+        testHelper.deleteRedisKeys(keysToDelete, done);
+    });
+
+    it("succeed with master", function (done) {
+        var layergroup = singleLayergroupConfig(pointSqlMaster, '#layer { marker-fill:red; }');
+    
+        assert.response(server,
+            createRequest(layergroup, 'user_previous_to_project_auth', '4444'),
+            {
+                status: 200
+            },
+            function (res, err) {
+                assert.ifError(err);
+
+                var parsed = JSON.parse(res.body);
+                assert.ok(parsed.layergroupid);
+                assert.equal(res.headers['x-layergroup-id'], parsed.layergroupid);
+
+                keysToDelete['map_cfg|' + LayergroupToken.parse(parsed.layergroupid).token] = 0;
+                keysToDelete['user:user_previous_to_project_auth:mapviews:global'] = 5;
+
+                done();
+            }
+        );
+    });
+
+
+    it("succeed with default - sending default_public", function (done) {
+        var layergroup = singleLayergroupConfig(pointSqlPublic, '#layer { marker-fill:red; }');
+
+        assert.response(server,
+            createRequest(layergroup, 'user_previous_to_project_auth', 'default_public'),
+            {
+                status: 200
+            },
+            function (res, err) {
+                assert.ifError(err);
+
+                var parsed = JSON.parse(res.body);
+                assert.ok(parsed.layergroupid);
+                assert.equal(res.headers['x-layergroup-id'], parsed.layergroupid);
+
+                keysToDelete['map_cfg|' + LayergroupToken.parse(parsed.layergroupid).token] = 0;
+                keysToDelete['user:user_previous_to_project_auth:mapviews:global'] = 5;
+
+                done();
+            }
+        );
+    });
+
+    it("succeed with default - sending no api key token", function (done) {
+        var layergroup = singleLayergroupConfig(pointSqlPublic, '#layer { marker-fill:red; }');
+
+        assert.response(server,
+            createRequest(layergroup, 'user_previous_to_project_auth'),
+            {
+                status: 200
+            },
+            function (res, err) {
+                assert.ifError(err);
+
+                var parsed = JSON.parse(res.body);
+                assert.ok(parsed.layergroupid);
+                assert.equal(res.headers['x-layergroup-id'], parsed.layergroupid);
+
+                keysToDelete['map_cfg|' + LayergroupToken.parse(parsed.layergroupid).token] = 0;
+                keysToDelete['user:user_previous_to_project_auth:mapviews:global'] = 5;
+
+                done();
+            }
+        );
+    });
+
+    it("succeed with non-existent api key - defaults to default", function (done) {
+        var layergroup = singleLayergroupConfig(pointSqlPublic, '#layer { marker-fill:red; }');
+
+        assert.response(server,
+            createRequest(layergroup, 'user_previous_to_project_auth', 'THIS-API-KEY-DOESNT-EXIST'),
+            {
+                status: 200
+            },
+            function (res, err) {
+                assert.ifError(err);
+
+                var parsed = JSON.parse(res.body);
+                assert.ok(parsed.layergroupid);
+                assert.equal(res.headers['x-layergroup-id'], parsed.layergroupid);
+
+                keysToDelete['map_cfg|' + LayergroupToken.parse(parsed.layergroupid).token] = 0;
+                keysToDelete['user:user_previous_to_project_auth:mapviews:global'] = 5;
+
+                done();
+            }
+        );
+    });
+
+    it("fail with default", function (done) {
+        var layergroup = singleLayergroupConfig(pointSqlMaster, '#layer { marker-fill:red; }');
+
+        assert.response(server,
+            createRequest(layergroup, 'user_previous_to_project_auth', 'default_public'),
+            {
+                status: 403
+            },
+            function (res, err) {
+                assert.ifError(err);
+
+                done();
+            }
+        );
+    });
+
+    it("fail with non-existent api key - defaults to default", function (done) {
+        var layergroup = singleLayergroupConfig(pointSqlMaster, '#layer { marker-fill:red; }');
+
+        assert.response(server,
+            createRequest(layergroup, 'user_previous_to_project_auth', 'THIS-API-KEY-DOESNT-EXIST'),
+            {
+                status: 403
+            },
+            function (res, err) {
+                assert.ifError(err);
+
+                done();
+            }
+        );
+    });
+});

test/support/prepare_db.sh

@@ -131,6 +131,19 @@ HMSET rails:users:cartodb250user id ${TESTUSERID} \
                                  map_key 4321
 EOF
 
+
+# Remove this block when Auth fallback is not used anymore
+# AUTH_FALLBACK
+  # A user to test auth fallback to no api keys mode
+  cat <<EOF | redis-cli -p ${REDIS_PORT} -n 5
+HMSET rails:users:user_previous_to_project_auth id ${TESTUSERID} \
+                                 database_name "${TEST_DB}" \
+                                 database_host "localhost" \
+                                 database_password "${TESTPASS}" \
+                                 database_publicuser "${PUBLICUSER}"\
+                                 map_key 4444
+EOF
+
   cat <<EOF | redis-cli -p ${REDIS_PORT} -n 0
 HSET rails:${TEST_DB}:my_table infowindow "this, that, the other"
 HSET rails:${TEST_DB}:test_table_private_1 privacy "0"

test/support/test_helper.js

@@ -114,6 +114,7 @@ afterEach(function(done) {
         'rails:users:localhost:map_key': true,
         'rails:users:cartodb250user': true,
         'rails:users:localhost': true,
+        'rails:users:user_previous_to_project_auth': true, // AUTH_FALLBACK
         'api_keys:localhost:1234': true,
         'api_keys:localhost:default_public': true,
         'api_keys:cartodb250user:4321': true,

yarn.lock

@@ -303,7 +303,7 @@ cartodb-query-tables@0.3.0:
 
 cartodb-redis@cartodb/node-cartodb-redis#project-auth-api:
   version "0.15.1"
-  resolved "https://codeload.github.com/cartodb/node-cartodb-redis/tar.gz/2d17fe82d66972edce5c727c679a335845ea5eb0"
+  resolved "https://codeload.github.com/cartodb/node-cartodb-redis/tar.gz/ffc1dccaa5ad433a1582d8e3d5926063bd3851d3"
   dependencies:
     dot "~1.0.2"
     redis-mpool "^0.5.0"