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	* refactor AuthenticateFederatedRequest() to handle account suspension + fetching of owner * small fixups * small changes * revert to 'IsEitherBlocked' instead of just 'IsBlocked" :grimace: * update code comment to indicate that AuthenticateFederatedRequest() will handle account + instance dereferencing
		
			
				
	
	
		
			107 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // GoToSocial
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| // Copyright (C) GoToSocial Authors admin@gotosocial.org
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| // SPDX-License-Identifier: AGPL-3.0-or-later
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| //
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| // This program is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Affero General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // This program is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| // GNU Affero General Public License for more details.
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| //
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| // You should have received a copy of the GNU Affero General Public License
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| // along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| package dereferencing
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| 
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| import (
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| 	"net/url"
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| )
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| 
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| func (d *Dereferencer) Handshaking(username string, remoteAccountID *url.URL) bool {
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| 	d.handshakesMu.Lock()
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| 	defer d.handshakesMu.Unlock()
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| 
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| 	if d.handshakes == nil {
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| 		// Handshakes isn't even initialized yet,
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| 		// so we can't be handshaking with anyone.
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| 		return false
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| 	}
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| 
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| 	remoteIDs, ok := d.handshakes[username]
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| 	if !ok {
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| 		// Given username isn't
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| 		// handshaking with anyone.
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| 		return false
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| 	}
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| 
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| 	// Calculate remote account ID str once.
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| 	remoteIDStr := remoteAccountID.String()
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| 
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| 	for _, id := range remoteIDs {
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| 		if id.String() == remoteIDStr {
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| 			// We are currently handshaking
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| 			// with the remote account.
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| 			return true
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| 		}
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| 	}
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| 
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| 	// No results: we're not handshaking
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| 	// with the remote account.
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| 	return false
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| }
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| 
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| func (d *Dereferencer) startHandshake(username string, remoteAccountID *url.URL) {
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| 	d.handshakesMu.Lock()
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| 	defer d.handshakesMu.Unlock()
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| 
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| 	remoteIDs, ok := d.handshakes[username]
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| 	if !ok {
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| 		// No handshakes were stored yet,
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| 		// so just add this entry and return.
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| 		d.handshakes[username] = []*url.URL{remoteAccountID}
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| 		return
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| 	}
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| 
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| 	// Add the remote account ID to the slice.
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| 	remoteIDs = append(remoteIDs, remoteAccountID)
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| 	d.handshakes[username] = remoteIDs
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| }
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| 
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| func (d *Dereferencer) stopHandshake(username string, remoteAccountID *url.URL) {
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| 	d.handshakesMu.Lock()
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| 	defer d.handshakesMu.Unlock()
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| 
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| 	remoteIDs, ok := d.handshakes[username]
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| 	if !ok {
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| 		// No handshake was in progress,
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| 		// so there's nothing to stop.
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| 		return
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| 	}
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| 
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| 	// Generate a new remoteIDs slice that
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| 	// doesn't contain the removed entry.
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| 	var (
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| 		remoteAccountIDStr = remoteAccountID.String()
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| 		newRemoteIDs       = make([]*url.URL, 0, len(remoteIDs)-1)
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| 	)
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| 
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| 	for _, id := range remoteIDs {
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| 		if id.String() != remoteAccountIDStr {
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| 			newRemoteIDs = append(newRemoteIDs, id)
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| 		}
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| 	}
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| 
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| 	if len(newRemoteIDs) == 0 {
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| 		// There are no handshakes remaining,
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| 		// so just remove this username's slice
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| 		// from the map and save a few bytes.
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| 		delete(d.handshakes, username)
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| 	} else {
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| 		// There are still other handshakes ongoing.
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| 		d.handshakes[username] = newRemoteIDs
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| 	}
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| }
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