mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-22 22:48:12 +08:00
228 lines
4.9 KiB
Go
228 lines
4.9 KiB
Go
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// Copyright 2013 Beego Authors
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// Copyright 2014 The Macaron Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package session
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import (
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"strings"
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"sync"
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"gitea.com/go-chi/session"
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"github.com/couchbase/go-couchbase"
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)
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// CouchbaseSessionStore represents a couchbase session store implementation.
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type CouchbaseSessionStore struct {
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b *couchbase.Bucket
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sid string
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lock sync.RWMutex
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data map[interface{}]interface{}
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maxlifetime int64
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}
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// Set sets value to given key in session.
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func (s *CouchbaseSessionStore) Set(key, val interface{}) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.data[key] = val
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return nil
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}
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// Get gets value by given key in session.
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func (s *CouchbaseSessionStore) Get(key interface{}) interface{} {
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s.lock.RLock()
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defer s.lock.RUnlock()
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return s.data[key]
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}
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// Delete delete a key from session.
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func (s *CouchbaseSessionStore) Delete(key interface{}) error {
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s.lock.Lock()
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defer s.lock.Unlock()
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delete(s.data, key)
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return nil
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}
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// ID returns current session ID.
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func (s *CouchbaseSessionStore) ID() string {
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return s.sid
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}
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// Release releases resource and save data to provider.
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func (s *CouchbaseSessionStore) Release() error {
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defer s.b.Close()
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// Skip encoding if the data is empty
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if len(s.data) == 0 {
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return nil
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}
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data, err := session.EncodeGob(s.data)
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if err != nil {
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return err
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}
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return s.b.Set(s.sid, int(s.maxlifetime), data)
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}
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// Flush deletes all session data.
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func (s *CouchbaseSessionStore) Flush() error {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.data = make(map[interface{}]interface{})
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return nil
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}
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// CouchbaseProvider represents a couchbase session provider implementation.
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type CouchbaseProvider struct {
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maxlifetime int64
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connStr string
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pool string
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bucket string
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b *couchbase.Bucket
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}
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func (cp *CouchbaseProvider) getBucket() *couchbase.Bucket {
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c, err := couchbase.Connect(cp.connStr)
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if err != nil {
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return nil
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}
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pool, err := c.GetPool(cp.pool)
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if err != nil {
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return nil
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}
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bucket, err := pool.GetBucket(cp.bucket)
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if err != nil {
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return nil
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}
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return bucket
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}
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// Init initializes memory session provider.
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// connStr is couchbase server REST/JSON URL
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// e.g. http://host:port/, Pool, Bucket
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func (p *CouchbaseProvider) Init(maxlifetime int64, connStr string) error {
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p.maxlifetime = maxlifetime
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configs := strings.Split(connStr, ",")
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if len(configs) > 0 {
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p.connStr = configs[0]
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}
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if len(configs) > 1 {
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p.pool = configs[1]
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}
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if len(configs) > 2 {
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p.bucket = configs[2]
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}
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return nil
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}
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// Read returns raw session store by session ID.
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func (p *CouchbaseProvider) Read(sid string) (session.RawStore, error) {
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p.b = p.getBucket()
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var doc []byte
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err := p.b.Get(sid, &doc)
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var kv map[interface{}]interface{}
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if doc == nil {
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kv = make(map[interface{}]interface{})
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} else {
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kv, err = session.DecodeGob(doc)
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if err != nil {
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return nil, err
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}
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}
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cs := &CouchbaseSessionStore{b: p.b, sid: sid, data: kv, maxlifetime: p.maxlifetime}
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return cs, nil
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}
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// Exist returns true if session with given ID exists.
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func (p *CouchbaseProvider) Exist(sid string) bool {
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p.b = p.getBucket()
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defer p.b.Close()
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var doc []byte
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if err := p.b.Get(sid, &doc); err != nil || doc == nil {
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return false
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} else {
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return true
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}
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}
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// Destroy deletes a session by session ID.
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func (p *CouchbaseProvider) Destroy(sid string) error {
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p.b = p.getBucket()
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defer p.b.Close()
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p.b.Delete(sid)
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return nil
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}
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// Regenerate regenerates a session store from old session ID to new one.
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func (p *CouchbaseProvider) Regenerate(oldsid, sid string) (session.RawStore, error) {
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p.b = p.getBucket()
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var doc []byte
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if err := p.b.Get(oldsid, &doc); err != nil || doc == nil {
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p.b.Set(sid, int(p.maxlifetime), "")
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} else {
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err := p.b.Delete(oldsid)
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if err != nil {
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return nil, err
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}
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_, _ = p.b.Add(sid, int(p.maxlifetime), doc)
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}
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err := p.b.Get(sid, &doc)
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if err != nil {
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return nil, err
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}
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var kv map[interface{}]interface{}
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if doc == nil {
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kv = make(map[interface{}]interface{})
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} else {
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kv, err = session.DecodeGob(doc)
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if err != nil {
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return nil, err
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}
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}
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cs := &CouchbaseSessionStore{b: p.b, sid: sid, data: kv, maxlifetime: p.maxlifetime}
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return cs, nil
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}
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// Count counts and returns number of sessions.
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func (p *CouchbaseProvider) Count() int {
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// FIXME
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return 0
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}
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// GC calls GC to clean expired sessions.
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func (p *CouchbaseProvider) GC() {}
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func init() {
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session.Register("couchbase", &CouchbaseProvider{})
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}
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