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implement nntp NEXT and LAST

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zefie
2022-10-12 14:35:52 -04:00
parent 976c79c92a
commit 575054a4d4
4 changed files with 162 additions and 80 deletions
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62
zefie_wtvp_minisrv/includes/WTVNews.js
View File

@@ -100,32 +100,37 @@ class WTVNews {
});
}
getArticle(articleID) {
getArticle(articleID, get_next_last = true) {
var articleID = parseInt(articleID);
return new Promise((resolve, reject) => {
var promises = [];
this.client.article(articleID).then((data) => {
// ask server for next article
promises.push(new Promise((resolve, reject) => {
this.client.next().then((res) => {
data.next_article = res.article.articleNumber;
resolve(data.next_article);
}).catch((e) => {
console.log(e);
data.next_article = null;
resolve(data.next_article);
})
}));
if (get_next_last) {
// ask server for next article
promises.push(new Promise((resolve, reject) => {
this.client.next().then((res) => {
data.next_article = res.article.articleNumber;
resolve(data.next_article);
}).catch((e) => {
console.log(e);
data.next_article = null;
resolve(data.next_article);
})
}));
// ask server for previous article
promises.push(new Promise((resolve, reject) => {
this.client.last().then((res) => {
data.prev_article = res.article.articleNumber;
// do it again
this.client.article(data.prev_article).then(() => {
this.client.last().then((res) => {
data.prev_article = res.article.articleNumber;
resolve(data.prev_article);
// ask server for previous article
promises.push(new Promise((resolve, reject) => {
this.client.last().then((res) => {
data.prev_article = res.article.articleNumber;
// do it again
this.client.article(data.prev_article).then(() => {
this.client.last().then((res) => {
data.prev_article = res.article.articleNumber;
resolve(data.prev_article);
}).catch(() => {
data.prev_article = null;
resolve(data.prev_article);
});
}).catch(() => {
data.prev_article = null;
resolve(data.prev_article);
@@ -133,16 +138,15 @@ class WTVNews {
}).catch(() => {
data.prev_article = null;
resolve(data.prev_article);
});
}).catch(() => {
data.prev_article = null;
resolve(data.prev_article);
})
}));
})
}));
Promise.all(promises).then(() => {
Promise.all(promises).then(() => {
resolve(data);
});
} else {
resolve(data);
});
}
}).catch((e) => {
reject(`Error reading article ID ${articleID}`);
console.error(" * WTVNews Error:", "Command: article", "args:", articleID, "Error:", e);

157
zefie_wtvp_minisrv/includes/WTVNewsServer.js
View File

@@ -15,32 +15,7 @@ class WTVNewsServer {
const { WTVShared } = require("./WTVShared.js");
this.wtvshared = new WTVShared(minisrv_config);
const nntp_server = require('nntp-server');
var nntp_commands = {
...nntp_server.commands,
"LAST": {
head: 'LAST',
validate: /^LAST( [^\s]+)$/i,
// All supported params are defined in separate files
run() {
console.log('hi');
throw new Error('method LAST is not implemented');
}
},
"NEXT": {
head: 'NEXT',
validate: /^NEXT( [^\s]+)$/i,
// All supported params are defined in separate files
run() {
console.log('hi');
throw new Error('method NEXT is not implemented');
}
}
}
console.log(nntp_commands);
const nntp_statuses = require('nntp-server/lib/status');
this.username == username || null;
this.password == password || null;
this.using_auth = using_auth;
@@ -53,10 +28,52 @@ class WTVNewsServer {
// nntp-server module overrides
var self = this;
var nntp_commands = {
...nntp_server.commands,
"LAST": {
head: 'LAST',
validate: /^LAST$/i,
// All supported params are defined in separate files
run: function (session) {
try {
if (!session.group.name) return nntp_statuses._412_GRP_NOT_SLCTD;
if (!session.group.current_article) return nntp_statuses._420_ARTICLE_NOT_SLCTD;
if (!self.articleExists(session.group.name, session.group.current_article)) return nntp_statuses._420_ARTICLE_NOT_SLCTD;
var res = self.getLastArticle(session.group.name, session.group.current_article);
if (!res) return nntp_statuses._422_NO_LAST_ARTICLE;
var last = `${nntp_statuses._223_ARTICLE_EXISTS} ${res.articleNumber} ${res.message_id}`
return last
} catch (e) {
console.log(e);
}
}
},
"NEXT": {
head: 'NEXT',
validate: /^NEXT$/i,
// All supported params are defined in separate files
run: function (session) {
try {
if (!session.group.name) return nntp_statuses._412_GRP_NOT_SLCTD;
if (!session.group.current_article) return nntp_statuses._420_ARTICLE_NOT_SLCTD;
if (!self.articleExists(session.group.name, session.group.current_article)) return nntp_statuses._420_ARTICLE_NOT_SLCTD;
var res = self.getNextArticle(session.group.name, session.group.current_article);
if (!res) return nntp_statuses._421_NO_NEXT_ARTICLE;
var next = `${nntp_statuses._223_ARTICLE_EXISTS} ${res.articleNumber} ${res.message_id}`
return next
} catch (e) {
console.log(e);
}
}
}
}
nntp_server.prototype = {
...nntp_server.prototype,
_authenticate: function (session) {
// authenticte
// authenticate
if (session.authinfo_user == self.username && session.authinfo_pass == self.password) return Promise.resolve(true);
return Promise.resolve(false);
},
@@ -89,12 +106,10 @@ class WTVNewsServer {
_getArticle: function (session, message_id) {
// getArticle
return new Promise((resolve, reject) => {
self.getArticle(session.group.name, message_id).then((res) => {
resolve(res);
}).catch((e) => {
console.log(" * WTVNewsServer Error:", e);
reject(e);
});
var res = self.getArticle(session.group.name, message_id);
console.log(res);
if (!res.messageId) reject(res);
else resolve(res)
});
},
@@ -137,23 +152,28 @@ class WTVNewsServer {
return this.getGroupPath(group) + this.path.sep + article + ".newz";
}
articleExists(group, article) {
const g = this.getArticlePath(group, article);
if (this.fs.existsSync(g)) return true;
return false;
}
createGroup(group) {
if (!this.fs.existsSync(getGroupPath(group))) return this.fs.mkdirSync(getGroupPath(group));
return true;
}
getArticle(group, article) {
return new Promise((resolve, reject) => {
const g = this.getArticlePath(group, article);
if (!this.fs.existsSync(g)) return false;
try {
var data = JSON.parse(this.fs.readFileSync(g));
resolve(data);
} catch (e) {
console.log(" * WTVNewsServer Error:", e);
reject(e)
}
});
const g = this.getArticlePath(group, article);
if (!this.fs.existsSync(g)) return false;
try {
var data = JSON.parse(this.fs.readFileSync(g));
data.index = data.articleNumber;
return data
} catch (e) {
console.log(" * WTVNewsServer Error:", e);
}
return null;
}
selectGroup(group) {
@@ -180,6 +200,55 @@ class WTVNewsServer {
return out;
}
getLastArticle(group, current) {
var g = this.getGroupPath(group);
var res = null;
try {
this.fs.readdirSync(g).forEach(file => {
var articleNumber = parseInt(file.split('.')[0]);
if (articleNumber > current) return false;
res = articleNumber;
return false;
});
} catch (e) {
console.log(e);
return e;
}
if (res) {
if (res == current) return null;
var message = this.getArticle(group, res);
if (message.messageId) {
res = { "articleNumber": res, "message_id": message.messageId };
}
}
return res;
}
getNextArticle(group, current) {
var g = this.getGroupPath(group);
var res = null;
try {
this.fs.readdirSync(g).forEach(file => {
var articleNumber = parseInt(file.split('.')[0]);
if (articleNumber <= current) return;
res = articleNumber;
return false;
});
} catch (e) {
console.log(e);
return e;
}
if (res) {
if (res == current) return null;
var message = this.getArticle(group, res);
if (message.messageId) {
res = { "articleNumber": res, "message_id": message.messageId };
}
}
return res;
}
listGroup(group, start, end) {
var g = this.getGroupPath(group);
var out = {