103 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| module.exports.create = function (deps, conf) {
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| 
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|   async function getSession(id) {
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|     var session = await deps.storage.tokens.get(id);
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|     if (!session) {
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|       throw new Error('no user token with ID "' + id + '"');
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|     }
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|     return session;
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|   }
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| 
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|   function iterateAllModules(action, curConf) {
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|     curConf = curConf || conf;
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|     var promises = [];
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| 
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|     curConf.domains.forEach(function (dom) {
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|       if (!dom.modules || !Array.isArray(dom.modules.ddns) || !dom.modules.ddns.length) {
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|         return null;
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|       }
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| 
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|       // For the time being all of our things should only be tried once (regardless if it succeeded)
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|       // TODO: revisit this behavior when we support multiple ways of setting records, and/or
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|       // if we want to allow later modules to run if early modules fail.
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|       promises.push(dom.modules.ddns.reduce(function (prom, mod) {
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|         if (prom) { return prom; }
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|         return action(mod, dom.names);
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|       }, null));
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|     });
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| 
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|     curConf.ddns.modules.forEach(function (mod) {
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|       promises.push(action(mod, mod.domains));
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|     });
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| 
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|     return Promise.all(promises.filter(Boolean));
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|   }
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| 
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|   var tldCache = {};
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|   async function updateTldCache(provider) {
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|     var reqObj = {
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|       url: deps.OAUTH3.url.normalize(provider) + '/api/com.daplie.domains/prices'
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|     , method: 'GET'
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|     , json: true
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|     };
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| 
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|     var resp = await deps.OAUTH3.request(reqObj);
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|     var tldObj = {};
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|     resp.data.forEach(function (tldInfo) {
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|       if (tldInfo.enabled) {
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|         tldObj[tldInfo.tld] = true;
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|       }
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|     });
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| 
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|     tldCache[provider] = {
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|       time: Date.now()
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|     , tlds: tldObj
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|     };
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|     return tldObj;
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|   }
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|   async function getTlds(provider) {
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|     // If we've never cached the results we need to return the promise that will fetch the result,
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|     // otherwise we can return the cached value. If the cached value has "expired", we can still
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|     // return the cached value we just want to update the cache in parellel (making sure we only
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|     // update once).
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|     if (!tldCache[provider]) {
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|       tldCache[provider] = {
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|         updating: true
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|       , tlds: updateTldCache(provider)
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|       };
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|     }
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|     if (!tldCache[provider].updating && Date.now() - tldCache[provider].time > 24 * 60 * 60 * 1000) {
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|       tldCache[provider].updating = true;
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|       updateTldCache(provider);
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|     }
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| 
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|     return tldCache[provider].tlds;
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|   }
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| 
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|   async function splitDomains(provider, domains) {
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|     var tlds = await getTlds(provider);
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|     return domains.map(function (domain) {
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|       var split = domain.split('.');
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|       var tldSegCnt = tlds[split.slice(-2).join('.')] ? 2 : 1;
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| 
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|       // Currently assuming that the sld can't contain dots, and that the tld can have at
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|       // most one dot. Not 100% sure this is a valid assumption, but exceptions should be
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|       // rare even if the assumption isn't valid.
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|       return {
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|         tld: split.slice(-tldSegCnt).join('.')
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|       , sld: split.slice(-tldSegCnt - 1, -tldSegCnt).join('.')
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|       , sub: split.slice(0, -tldSegCnt - 1).join('.')
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|       };
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|     });
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|   }
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| 
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|   return {
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|     getSession
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|   , iterateAllModules
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|   , getTlds
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|   , splitDomains
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|   };
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| };
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