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							90 lines
						
					
					
						
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							90 lines
						
					
					
						
							2.3 KiB
						
					
					
				| // Copyright 2015 Matthew Holt and The Caddy Authors | |
| // | |
| // 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. | |
|  | |
| package caddyauth | |
| 
 | |
| import ( | |
| 	"github.com/caddyserver/caddy/v2" | |
| 	"github.com/caddyserver/caddy/v2/caddyconfig" | |
| 	"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile" | |
| 	"github.com/caddyserver/caddy/v2/modules/caddyhttp" | |
| ) | |
| 
 | |
| func init() { | |
| 	httpcaddyfile.RegisterHandlerDirective("basicauth", parseCaddyfile) | |
| } | |
| 
 | |
| // parseCaddyfile sets up the handler from Caddyfile tokens. Syntax: | |
| // | |
| //     basicauth [<matcher>] [<hash_algorithm>] { | |
| //         <username> <hashed_password_base64> [<salt_base64>] | |
| //         ... | |
| //     } | |
| // | |
| // If no hash algorithm is supplied, bcrypt will be assumed. | |
| func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) { | |
| 	var ba HTTPBasicAuth | |
| 
 | |
| 	for h.Next() { | |
| 		var cmp Comparer | |
| 		args := h.RemainingArgs() | |
| 
 | |
| 		var hashName string | |
| 		switch len(args) { | |
| 		case 0: | |
| 			hashName = "bcrypt" | |
| 		case 1: | |
| 			hashName = args[0] | |
| 		default: | |
| 			return nil, h.ArgErr() | |
| 		} | |
| 
 | |
| 		switch hashName { | |
| 		case "bcrypt": | |
| 			cmp = BcryptHash{} | |
| 		case "scrypt": | |
| 			cmp = ScryptHash{} | |
| 		default: | |
| 			return nil, h.Errf("unrecognized hash algorithm: %s", hashName) | |
| 		} | |
| 
 | |
| 		ba.HashRaw = caddyconfig.JSONModuleObject(cmp, "algorithm", hashName, nil) | |
| 
 | |
| 		for h.NextBlock(0) { | |
| 			username := h.Val() | |
| 
 | |
| 			var b64Pwd, b64Salt string | |
| 			h.Args(&b64Pwd, &b64Salt) | |
| 			if h.NextArg() { | |
| 				return nil, h.ArgErr() | |
| 			} | |
| 
 | |
| 			if username == "" || b64Pwd == "" { | |
| 				return nil, h.Err("username and password cannot be empty or missing") | |
| 			} | |
| 
 | |
| 			ba.AccountList = append(ba.AccountList, Account{ | |
| 				Username: username, | |
| 				Password: b64Pwd, | |
| 				Salt:     b64Salt, | |
| 			}) | |
| 		} | |
| 	} | |
| 
 | |
| 	return Authentication{ | |
| 		ProvidersRaw: caddy.ModuleMap{ | |
| 			"http_basic": caddyconfig.JSON(ba, nil), | |
| 		}, | |
| 	}, nil | |
| }
 | |
| 
 |