Added ability to download single videos

.gitignore

@@ -1,3 +1,5 @@
+.vscode
+__debug_bin
 downloads
 *.exe
-tiktok-dl
+tiktok-dl

README.md

@@ -0,0 +1,17 @@
+# TikTok-DL
+
+[![Go Report Card](https://goreportcard.com/badge/github.com/pikami/tiktok-dl)](https://goreportcard.com/report/github.com/pikami/tiktok-dl)
+
+A simple tiktok video downloader written in go
+
+## Basic usage
+Clone this repository and run `go build` to build the executable.\
+You can download all videos from user by running `./tiktok-dl [Options] TIKTOK_USERNAME`\
+You can download single video by running `./tiktok-dl [Options] VIDEO_URL`
+
+## Available options
+* `-debug` - enables debug mode
+* `-output some_directory` - Output path (default "./downloads")
+
+## Acknowledgments
+This software uses the chromedp for web scraping, it can be found here: https://github.com/chromedp/chromedp

client/getUserUploads.go

@@ -23,7 +23,7 @@ func GetUserUploads(username string) []models.Upload {
 	opts := append(chromedp.DefaultExecAllocatorOptions[:],
 		chromedp.DisableGPU,
 		chromedp.UserDataDir(dir),
-		chromedp.Flag("headless", models.Config.UserName),
+		chromedp.Flag("headless", !models.Config.Debug),
 	)
 
 	allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
@@ -43,7 +43,8 @@ func GetUserUploads(username string) []models.Upload {
 		// Navigate to user's page
 		chromedp.Navigate(`https://www.tiktok.com/@`+username),
 		// Execute url grabber script
-		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("getVidLinks.js"), &jsOutput),
+		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("scraper.js"), &jsOutput),
+		chromedp.EvaluateAsDevTools("bootstrapIteratingVideos()", &jsOutput),
 		// Wait until custom js finishes
 		chromedp.WaitVisible(`video_urls`),
 		// Grab url links from our element

client/getVideoDetails.go

@@ -0,0 +1,58 @@
+package client
+
+import (
+	"context"
+	"github.com/chromedp/chromedp"
+	"io/ioutil"
+	"log"
+	"os"
+	"time"
+
+	models "../models"
+	utils "../utils"
+)
+
+// GetVideoDetails - returns details of video
+func GetVideoDetails(videoURL string) models.Upload {
+	dir, err := ioutil.TempDir("", "chromedp-example")
+	if err != nil {
+		panic(err)
+	}
+	defer os.RemoveAll(dir)
+
+	opts := append(chromedp.DefaultExecAllocatorOptions[:],
+		chromedp.DisableGPU,
+		chromedp.UserDataDir(dir),
+		chromedp.Flag("headless", !models.Config.Debug),
+	)
+
+	allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
+	defer cancel()
+
+	ctx, cancel := chromedp.NewContext(
+		allocCtx,
+		chromedp.WithLogf(log.Printf),
+	)
+	defer cancel()
+
+	ctx, cancel = context.WithTimeout(ctx, 1500*time.Second)
+	defer cancel()
+
+	var jsOutput string
+	err = chromedp.Run(ctx,
+		// Navigate to user's page
+		chromedp.Navigate(videoURL),
+		// Execute url grabber script
+		chromedp.EvaluateAsDevTools(utils.ReadFileAsString("scraper.js"), &jsOutput),
+		chromedp.EvaluateAsDevTools("bootstrapGetCurrentVideo()", &jsOutput),
+		// Wait until custom js finishes
+		chromedp.WaitVisible(`video_urls`),
+		// Grab url links from our element
+		chromedp.InnerHTML(`video_urls`, &jsOutput),
+	)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return models.ParseUpload(jsOutput)
+}

main.go

@@ -5,27 +5,53 @@ import (
 	models "./models"
 	utils "./utils"
 	"fmt"
+	"regexp"
+	"strings"
 )
 
 func main() {
 	models.GetConfig()
+	url := models.Config.URL
 
-	username := models.Config.UserName
+	// Single video
+	match, _ := regexp.MatchString("\\/@.+\\/video\\/[0-9]+", url)
+	if match {
+		getUsernameFromVidURLRegex, _ := regexp.Compile("com\\/@.*")
+		parts := strings.Split(getUsernameFromVidURLRegex.FindString(url), "/")
+		username := parts[1][1:]
+		upload := client.GetVideoDetails(url)
+		downloadDir := fmt.Sprintf("%s/%s", models.Config.OutputPath, username)
+
+		utils.InitOutputDirectory(downloadDir)
+		downloadVideo(upload, downloadDir)
+		return
+	}
+
+	// Tiktok user
+	downloadUser()
+}
+
+func downloadVideo(upload models.Upload, downloadDir string) {
+	uploadID := upload.GetUploadID()
+	downloadPath := fmt.Sprintf("%s/%s.mp4", downloadDir, uploadID)
+
+	if utils.CheckIfExists(downloadPath) {
+		fmt.Println("Upload '" + uploadID + "' already downloaded, skipping")
+		return
+	}
+
+	fmt.Println("Downloading upload item '" + uploadID + "' to " + downloadPath)
+	utils.DownloadFile(downloadPath, upload.URL)
+}
+
+func downloadUser() {
+	username := models.Config.URL
 	downloadDir := fmt.Sprintf("%s/%s", models.Config.OutputPath, username)
 	uploads := client.GetUserUploads(username)
 
 	utils.InitOutputDirectory(downloadDir)
 
 	for _, upload := range uploads {
-		uploadID := upload.GetUploadID()
-		downloadPath := fmt.Sprintf("%s/%s.mp4", downloadDir, uploadID)
-
-		if utils.CheckIfExists(downloadPath) {
-			fmt.Println("Upload '" + uploadID + "' already downloaded, skipping")
-			continue
-		}
-
-		fmt.Println("Downloading upload item '" + uploadID + "' to " + downloadPath)
-		utils.DownloadFile(downloadPath, upload.URL)
+		downloadVideo(upload, downloadDir)
 	}
 }

models/config.go

@@ -8,7 +8,7 @@ import (
 
 // Config - Runtime configuration
 var Config struct {
-	UserName   string
+	URL        string
 	OutputPath string
 	Debug      bool
 }
@@ -21,11 +21,11 @@ func GetConfig() {
 
 	args := flag.Args()
 	if len(args) < 1 {
-		fmt.Println("Usage: tiktok-dl [OPTIONS] TIKTOK_USERNAME")
+		fmt.Println("Usage: tiktok-dl [OPTIONS] TIKTOK_USERNAME|TIKTOK_URL")
 		os.Exit(2)
 	}
 
-	Config.UserName = flag.Args()[len(args)-1]
+	Config.URL = flag.Args()[len(args)-1]
 	Config.OutputPath = *outputPath
 	Config.Debug = *debug
 }

models/upload.go

@@ -18,6 +18,13 @@ func ParseUploads(str string) []Upload {
 	return uploads
 }
 
+// ParseUpload - Parses json uploads array
+func ParseUpload(str string) Upload {
+	var upload Upload
+	json.Unmarshal([]byte(str), &upload)
+	return upload
+}
+
 // GetUploadID - Returns upload id
 func (u Upload) GetUploadID() string {
 	parts := strings.Split(u.ShareLink, "/")

scraper.js

@@ -5,6 +5,8 @@ optStrings = {
         modalClose: '.video-card-modal > div > div.close',
         modalPlayer: 'div > div > main > div.video-card-modal > div > div.video-card-big > div.video-card-container > div > div > video',
         modalShareInput: '.copy-link-container > input',
+        videoPlayer: 'div.video-card-container > div > div > video',
+        videoShareInput: 'div.content-container.border > div.copy-link-container > input',
     },
     classes: {
         modalCloseDisabled: 'disabled',
@@ -18,9 +20,9 @@ optStrings = {
     },
 };
 
-createVidUrlElement = function(videoArray) {
+createVidUrlElement = function(outputObj) {
     var urlSetElement = document.createElement(optStrings.tags.resultTag);
-    urlSetElement.innerText = JSON.stringify(videoArray);
+    urlSetElement.innerText = JSON.stringify(outputObj);
     document.getElementsByTagName(optStrings.tags.resultParentTag)[0].appendChild(urlSetElement);
 }
 
@@ -54,6 +56,17 @@ getCurrentModalVideo = function() {
     };
 }
 
+getCurrentVideo = function() {
+    var player = document.querySelector(optStrings.selectors.videoPlayer);
+    var vidUrl = player.getAttribute(optStrings.attributes.src);
+    var shareLink = document.querySelector(optStrings.selectors.videoShareInput).value;
+
+    return {
+        url: vidUrl,
+        shareLink: shareLink
+    };
+}
+
 scrollWhileNew = function(finishCallback) {
     var state = { count: 0 };
     var intervalID = window.setInterval(x => {
@@ -76,13 +89,19 @@ bootstrapIteratingVideos = function() {
             window.clearInterval(intervalID);
         }
     }, 500);
+    return 'bootstrapIteratingVideos';
 };
 
+bootstrapGetCurrentVideo = function() {
+    var video = getCurrentVideo();
+    createVidUrlElement(video);
+    return 'bootstrapGetCurrentVideo';
+}
+
 init = () => {
     const newProto = navigator.__proto__;
     delete newProto.webdriver;
     navigator.__proto__ = newProto;
-    bootstrapIteratingVideos();
 };
 
 init();