diff options
Diffstat (limited to '1.1.x/src/couchdb/couch_js_functions.hrl')
-rw-r--r-- | 1.1.x/src/couchdb/couch_js_functions.hrl | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/1.1.x/src/couchdb/couch_js_functions.hrl b/1.1.x/src/couchdb/couch_js_functions.hrl new file mode 100644 index 00000000..0cc49d62 --- /dev/null +++ b/1.1.x/src/couchdb/couch_js_functions.hrl @@ -0,0 +1,226 @@ +% Licensed under the Apache License, Version 2.0 (the "License"); you may not +% use this file except in compliance with the License. You may obtain a copy of +% the License at +% +% http://www.apache.org/licenses/LICENSE-2.0 +% +% Unless required by applicable law or agreed to in writing, software +% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +% License for the specific language governing permissions and limitations under +% the License. + +-define(AUTH_DB_DOC_VALIDATE_FUNCTION, <<" + function(newDoc, oldDoc, userCtx) { + if (newDoc._deleted === true) { + // allow deletes by admins and matching users + // without checking the other fields + if ((userCtx.roles.indexOf('_admin') !== -1) || + (userCtx.name == oldDoc.name)) { + return; + } else { + throw({forbidden: 'Only admins may delete other user docs.'}); + } + } + + if ((oldDoc && oldDoc.type !== 'user') || newDoc.type !== 'user') { + throw({forbidden : 'doc.type must be user'}); + } // we only allow user docs for now + + if (!newDoc.name) { + throw({forbidden: 'doc.name is required'}); + } + + if (newDoc.roles && !isArray(newDoc.roles)) { + throw({forbidden: 'doc.roles must be an array'}); + } + + if (newDoc._id !== ('org.couchdb.user:' + newDoc.name)) { + throw({ + forbidden: 'Doc ID must be of the form org.couchdb.user:name' + }); + } + + if (oldDoc) { // validate all updates + if (oldDoc.name !== newDoc.name) { + throw({forbidden: 'Usernames can not be changed.'}); + } + } + + if (newDoc.password_sha && !newDoc.salt) { + throw({ + forbidden: 'Users with password_sha must have a salt.' + + 'See /_utils/script/couch.js for example code.' + }); + } + + if (userCtx.roles.indexOf('_admin') === -1) { + if (oldDoc) { // validate non-admin updates + if (userCtx.name !== newDoc.name) { + throw({ + forbidden: 'You may only update your own user document.' + }); + } + // validate role updates + var oldRoles = oldDoc.roles.sort(); + var newRoles = newDoc.roles.sort(); + + if (oldRoles.length !== newRoles.length) { + throw({forbidden: 'Only _admin may edit roles'}); + } + + for (var i = 0; i < oldRoles.length; i++) { + if (oldRoles[i] !== newRoles[i]) { + throw({forbidden: 'Only _admin may edit roles'}); + } + } + } else if (newDoc.roles.length > 0) { + throw({forbidden: 'Only _admin may set roles'}); + } + } + + // no system roles in users db + for (var i = 0; i < newDoc.roles.length; i++) { + if (newDoc.roles[i][0] === '_') { + throw({ + forbidden: + 'No system roles (starting with underscore) in users db.' + }); + } + } + + // no system names as names + if (newDoc.name[0] === '_') { + throw({forbidden: 'Username may not start with underscore.'}); + } + } +">>). + + +-define(REP_DB_DOC_VALIDATE_FUN, <<" + function(newDoc, oldDoc, userCtx) { + function reportError(error_msg) { + log('Error writing document `' + newDoc._id + + '\\' to the replicator database: ' + error_msg); + throw({forbidden: error_msg}); + } + + function validateEndpoint(endpoint, fieldName) { + if ((typeof endpoint !== 'string') && + ((typeof endpoint !== 'object') || (endpoint === null))) { + + reportError('The `' + fieldName + '\\' property must exist' + + ' and be either a string or an object.'); + } + + if (typeof endpoint === 'object') { + if ((typeof endpoint.url !== 'string') || !endpoint.url) { + reportError('The url property must exist in the `' + + fieldName + '\\' field and must be a non-empty string.'); + } + + if ((typeof endpoint.auth !== 'undefined') && + ((typeof endpoint.auth !== 'object') || + endpoint.auth === null)) { + + reportError('`' + fieldName + + '.auth\\' must be a non-null object.'); + } + + if ((typeof endpoint.headers !== 'undefined') && + ((typeof endpoint.headers !== 'object') || + endpoint.headers === null)) { + + reportError('`' + fieldName + + '.headers\\' must be a non-null object.'); + } + } + } + + var isReplicator = (userCtx.roles.indexOf('_replicator') >= 0); + var isAdmin = (userCtx.roles.indexOf('_admin') >= 0); + + if (oldDoc && !newDoc._deleted && !isReplicator) { + reportError('Only the replicator can edit replication documents.'); + } + + if (!newDoc._deleted) { + validateEndpoint(newDoc.source, 'source'); + validateEndpoint(newDoc.target, 'target'); + + if ((typeof newDoc.create_target !== 'undefined') && + (typeof newDoc.create_target !== 'boolean')) { + + reportError('The `create_target\\' field must be a boolean.'); + } + + if ((typeof newDoc.continuous !== 'undefined') && + (typeof newDoc.continuous !== 'boolean')) { + + reportError('The `continuous\\' field must be a boolean.'); + } + + if ((typeof newDoc.doc_ids !== 'undefined') && + !isArray(newDoc.doc_ids)) { + + reportError('The `doc_ids\\' field must be an array of strings.'); + } + + if ((typeof newDoc.filter !== 'undefined') && + ((typeof newDoc.filter !== 'string') || !newDoc.filter)) { + + reportError('The `filter\\' field must be a non-empty string.'); + } + + if ((typeof newDoc.query_params !== 'undefined') && + ((typeof newDoc.query_params !== 'object') || + newDoc.query_params === null)) { + + reportError('The `query_params\\' field must be an object.'); + } + + if (newDoc.user_ctx) { + if (!isAdmin) { + reportError('Delegated replications (use of the ' + + '`user_ctx\\' property) can only be triggered by ' + + 'administrators.'); + } + + var user_ctx = newDoc.user_ctx; + + if ((typeof user_ctx !== 'object') || (user_ctx === null)) { + reportError('The `user_ctx\\' property must be a ' + + 'non-null object.'); + } + + if (!(user_ctx.name === null || + (typeof user_ctx.name === 'undefined') || + ((typeof user_ctx.name === 'string') && + user_ctx.name.length > 0))) { + + reportError('The `user_ctx.name\\' property must be a ' + + 'non-empty string or null.'); + } + + if (user_ctx.roles && !isArray(user_ctx.roles)) { + reportError('The `user_ctx.roles\\' property must be ' + + 'an array of strings.'); + } + + if (user_ctx.roles) { + for (var i = 0; i < user_ctx.roles.length; i++) { + var role = user_ctx.roles[i]; + + if (typeof role !== 'string' || role.length === 0) { + reportError('Roles must be non-empty strings.'); + } + if (role[0] === '_') { + reportError('System roles (starting with an ' + + 'underscore) are not allowed.'); + } + } + } + } + } + } +">>). |