Initial commit

.gitignore

@@ -0,0 +1,5 @@
+node_modules/
+bin/*.exe
+site/
+blog/
+config/*.json

app.js

@@ -0,0 +1,178 @@
+const http=require('http')
+const spawn=require('child_process').spawn
+const promisify=require('util').promisify
+const path=require('path')
+const url=require('url')
+const fs=require('fs')
+const mime=require('mime')
+
+let _configObj=JSON.parse(fs.readFileSync("config/config.json"))
+const SOURCE_DIR=_configObj.source
+const ROOT_DIR=_configObj.dist
+const LISTEN_PORT=_configObj.port
+
+async function RemoveSingleFile(filename) {
+    try {
+        let stats=await promisify(fs.stat)(filename)
+        if(stats.isFile()) {
+            console.log(`Deleting: ${filename}`)
+            await promisify(fs.unlink)(filename)
+        } else {
+            await RemoveDirStep(filename)
+            await promisify(fs.rmdir)(filename)
+        }
+    } catch (e) {
+        console.log(`[Error] RemoveSingleFile: ${e.toString()}`)
+    }
+}
+
+async function RemoveDirStep(dir) {
+    try {
+        let files=await promisify(fs.readdir)(dir)
+        if(files && files.length>0) {
+            let pArr=new Array
+            files.forEach((val)=>{
+                pArr.push(RemoveSingleFile(path.join(dir,val)))
+            })
+            return Promise.all(pArr)
+        }
+    } catch (e) {
+        console.log(`[Error] RemoveDirStep: ${e.toString()}`)
+    }
+}
+
+async function ClearSite() {
+    console.log("Clearing site...")
+    await RemoveDirStep(ROOT_DIR)
+    console.log("[Done] Site cleaned.")
+}
+
+async function GenerateSingle(val) {
+    try {
+        let stat=await promisify(fs.stat)(path.join(SOURCE_DIR,val))
+        if(stat && stat.isFile()) {
+            if(path.extname(val).toLowerCase()==".md") {
+                return new Promise((resolve,reject)=>{
+                    console.log(`Generating: ${val}`)
+                    let child=spawn('bin/pandoc',['-f','markdown','-t','html',path.join(SOURCE_DIR,val),'-o',path.join(ROOT_DIR,path.dirname(val),path.basename(val,path.extname(val)) + '.html')])
+                    child.on('close',()=>{
+                        resolve()
+                    })
+                })
+            } else {
+                console.log(`Copying: ${val}`)
+                await promisify(fs.copy)(path.join(SOURCE_DIR,val),path.join(ROOT_DIR,val))
+            }
+        } else if(stat && stat.isDirectory()) {
+            await promisify(fs.mkdir)(path.join(ROOT_DIR,val))
+            await GenerateStep(val)
+        }
+    } catch (e) {
+        console.log(`[Error] GenerateSingle: ${e.toString()}`)
+    }
+}
+
+async function GenerateStep(dir) {
+    try {
+        let files=await promisify(fs.readdir)(path.join(SOURCE_DIR,dir))
+        if(files && files.length>0) {
+            let pArr=new Array
+            files.forEach((val)=>{
+                pArr.push(GenerateSingle(path.join(dir,val)))
+            })
+            await Promise.all(pArr)
+        }
+    } catch (e) {
+        console.log(`[Error] GenerateStep: ${e.toString()}`)
+    }
+}
+
+async function BuildSite() {
+    console.log("Building site...")
+    try {
+        await GenerateStep("")
+    } catch (e) {
+        console.log(`[Error] BuildSite: ${e.toString()}`)
+    }
+    console.log("[Done] Site building done.")
+}
+
+async function RebuildSite() {
+    await ClearSite()
+    await BuildSite()
+}
+
+async function request_handler(req,res) {
+    let obj=url.parse(req.url,true)
+    if(req.method=="GET") {
+        let normPath=path.normalize(obj.pathname)
+        let localPath=path.join(ROOT_DIR,normPath)
+        try {
+            let stats=await promisify(fs.stat)(localPath)
+            if(stats && stats.isFile()) {
+                let mimeType=mime.getType(localPath)
+                if(mimeType=="text/html") {
+                    res.setHeader('Content-Type',mimeType + ";charset=utf-8")
+                } else {
+                    res.setHeader('Content-Type',mimeType)
+                }
+                fs.createReadStream(localPath).pipe(res)
+            } else {
+                let files=await promisify(fs.readdir)(localPath)
+                res.writeHead(200,"OK")
+                res.write(`
+<html>
+    <head>
+        <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
+        <title>Index of ${normPath}</title>
+    </head>
+    <body>
+        <h1>Index of ${normPath}</h1>
+        <table>
+`)
+                let pArr=new Array
+                files.forEach((val)=>{
+                    pArr.push(new Promise((resolve,reject)=>{
+                        fs.stat(path.join(localPath,val),(err,stats)=>{
+                            if(err) return reject(err)
+                            else if(!stats) return reject("no stats returned.")
+                            else {
+                                return resolve({
+                                    name:val,
+                                    isfile:stats.isFile()
+                                })
+                            }
+                        })
+                    }))
+                })
+                for(let i=0;i<pArr.length;i++) {
+                    let j=await pArr[i]
+                    if(j.isfile) {
+                        res.write(`<li><a href='${j.name}'>${path.basename(j.name,path.extname(j.name))}</a></li>`)
+                    } else {
+                        res.write(`<li>Directory <a href='${j.name}'>${path.basename(j.name,path.extname(j.name))}</a></li>`)
+                    }
+                }
+                res.write(`
+        </table>
+    </body>
+</html>
+`)
+                res.end()
+            }
+        } catch (e) {
+            res.writeHead(500,"Server error")
+            res.end(`Error: ${e.toString()}`)
+        }
+    }
+}
+
+async function main() {
+    await RebuildSite()
+    http.createServer(request_handler).listen(LISTEN_PORT)
+}
+
+let _tmBefore=new Date()
+main().then(()=>{
+    console.log(`Server started in ${(new Date()-_tmBefore)/1000}s.`)
+})

bin/readme.md

@@ -0,0 +1,3 @@
+# Binary files
+
+Place `pandoc` executable binary file in this directory.

config/config.json.example

@@ -0,0 +1,5 @@
+{
+    "source":"blog",
+    "dist":"site",
+    "port":12345
+}

package.json

@@ -0,0 +1,21 @@
+{
+  "name": "kblog",
+  "version": "1.0.0",
+  "description": "Kiritow's Blog Backend",
+  "main": "app.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://kiritow.com:3000/Kiritow/kblog"
+  },
+  "keywords": [
+    "blog"
+  ],
+  "author": "Kiritow",
+  "license": "MIT",
+  "dependencies": {
+    "mime": "^2.4.0"
+  }
+}