Merge pull request #40 from schollz/upload

CLI support for uploading/downloading via curl

Former-commit-id: 2693cca428a2f42aa85ee42a136250f69555c16f [formerly 3d64052514a02869b91e732cae7a9e07bcbee9f4] [formerly d3935ab9d29fecfefa33d018122693b9acf5391d [formerly 7e723e65b5]]
Former-commit-id: 3b635ad54eef64b2b5b867d8ae7bf7d40921e773 [formerly 3488934a111431706a6c48372d79f552ac706eae]
Former-commit-id: 4ed997a716a81a28cbb15ca61047d14dff3b5be8

README.md

@@ -2,7 +2,7 @@
 
 # [cowyo.com](http://cowyo.com/)
 
-[![Version 0.94](https://img.shields.io/badge/version-0.94-brightgreen.svg)]() [![Go Report Card](https://goreportcard.com/badge/github.com/schollz/cowyo)](https://goreportcard.com/report/github.com/schollz/cowyo) [![Join the chat at https://gitter.im/schollz/cowyo](https://badges.gitter.im/schollz/cowyo.svg)](https://gitter.im/schollz/cowyo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Version 0.95](https://img.shields.io/badge/version-0.95-brightgreen.svg)]() [![Go Report Card](https://goreportcard.com/badge/github.com/schollz/cowyo)](https://goreportcard.com/report/github.com/schollz/cowyo) [![Join the chat at https://gitter.im/schollz/cowyo](https://badges.gitter.im/schollz/cowyo.svg)](https://gitter.im/schollz/cowyo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 This is a self-contained notepad webserver that makes sharing easy and _fast_. The most important feature here is *simplicity*. There are many other features as well including versioning, page locking, self-destructing messages, encryption, math support, and listifying. Read on to learn more about the features.
 
@@ -44,6 +44,23 @@ This is a self-contained notepad webserver that makes sharing easy and _fast_. T
 
 <br>
 
+**CLI support**. Want to upload/download from a server? Its super easy. Upload/download files like this:
+```bash
+$ echo "Hello, world!" > hi.txt
+$ curl --upload-file hi.txt cowyo.com
+  File uploaded to http://cowyo.com/hi.txt
+$ curl cowyo.com/test.txt
+  Hello, world!
+```
+or just skip the file-creation step,
+```bash
+$ echo "Wow, so easy" | curl --upload-file "-" cowyo.com
+  File uploaded to http://cowyo.com/CautiousCommonLoon
+$ curl cowyo.com/CautiousCommonLoon
+  Wow, so easy
+```
+
+<br>
 
 **Keyboard Shortcuts**. Quickly transition between Edit/View/List by using `Ctl+Shift+E` to Edit, `Ctl+Shift+Z` to View, and `Ctl+Shift+L` to Listify.
 

db.go

@@ -43,43 +43,6 @@ type WikiData struct {
 	Locked      string
 }
 
-func hasPassword(title string) (bool, error) {
-	title = strings.ToLower(title)
-	if !open {
-		Open(RuntimeArgs.DatabaseLocation)
-		defer Close()
-	}
-	hasPassword := false
-	err := db.View(func(tx *bolt.Tx) error {
-		var err error
-		b := tx.Bucket([]byte("datas"))
-		if b == nil {
-			return fmt.Errorf("db must be opened before loading")
-		}
-		k := []byte(title)
-		val := b.Get(k)
-		if val == nil {
-			return nil
-		}
-		var p WikiData
-		err = p.decode(val)
-		if err != nil {
-			return err
-		}
-		for _, line := range strings.Split(p.CurrentText, "\n") {
-			if strings.Contains(line, "<") == true && strings.Contains(line, ">") == true && strings.Contains(line, "user") == true && strings.Contains(line, "password") == true && strings.Contains(line, "public") == true {
-				hasPassword = true
-			}
-		}
-		return nil
-	})
-	if err != nil {
-		fmt.Printf("Could not get WikiData: %s", err)
-		return false, err
-	}
-	return hasPassword, nil
-}
-
 func getCurrentText(title string, version int) (string, []versionsInfo, bool, time.Duration, bool, string) {
 	Open(RuntimeArgs.DatabaseLocation)
 	defer Close()

main.go

@@ -1,12 +1,9 @@
 package main
 
 import (
-	"bytes"
 	"flag"
 	"fmt"
-	"io"
 	"io/ioutil"
-	"log"
 	"os"
 	"path"
 
@@ -38,10 +35,8 @@ var RuntimeArgs struct {
 }
 var VersionNum string
 
-const _24K = (1 << 20) * 24
-
 func main() {
-	VersionNum = "0.94"
+	VersionNum = "0.95"
 	// _, executableFile, _, _ := runtime.Caller(0) // get full path of this file
 	cwd, _ := os.Getwd()
 	databaseFile := path.Join(cwd, "data.db")
@@ -107,61 +102,8 @@ Options:`)
 	r.GET("/", newNote)
 	r.HEAD("/", func(c *gin.Context) { c.Status(200) })
 	r.GET("/:title", editNote)
-	r.PUT("/:title", func(c *gin.Context) {
-		filename := c.Param("title")
-		fmt.Println(filename)
-		fmt.Println(c.Request.Body)
-		fmt.Println(c.Request.ContentLength)
-		fmt.Println(c.Request.Header)
-		contentLength := c.Request.ContentLength
-		var reader io.Reader
-		reader = c.Request.Body
-		if contentLength == -1 {
-			// queue file to disk, because s3 needs content length
-			var err error
-			var f io.Reader
-
-			f = reader
-
-			var b bytes.Buffer
-
-			n, err := io.CopyN(&b, f, _24K+1)
-			if err != nil && err != io.EOF {
-				log.Printf("%s", err.Error())
-			}
-
-			if n > _24K {
-				file, err := ioutil.TempFile("./", "transfer-")
-				if err != nil {
-					log.Printf("%s", err.Error())
-				}
-
-				defer file.Close()
-
-				n, err = io.Copy(file, io.MultiReader(&b, f))
-				if err != nil {
-					os.Remove(file.Name())
-					log.Printf("%s", err.Error())
-				}
-
-				reader, err = os.Open(file.Name())
-			} else {
-				reader = bytes.NewReader(b.Bytes())
-			}
-
-			contentLength = n
-		}
-		buf := new(bytes.Buffer)
-		buf.ReadFrom(reader)
-		fmt.Println("---------------")
-		fmt.Println(buf.String())
-		fmt.Println("---------------")
-		fmt.Println(c.ContentType())
-		fmt.Println(c.Request.Header)
-		fmt.Println("---------------")
-		p := WikiData{filename, "", []string{}, []string{}, false, ""}
-		p.save(buf.String())
-	})
+	r.PUT("/:title", putFile)
+	r.PUT("/", putFile)
 	r.GET("/:title/*option", everythingElse)
 	r.POST("/:title/*option", encryptionRoute)
 	r.DELETE("/listitem", deleteListItem)

ratelimiter.go

@@ -0,0 +1,25 @@
+package main
+
+import "time"
+
+var bannedIPs []string
+
+func init() {
+	go clearBannedIPs()
+}
+
+func clearBannedIPs() {
+	for {
+		bannedIPs = []string{}
+		time.Sleep(3 * time.Minute)
+	}
+}
+
+func isIPBanned(ip string) bool {
+	if stringInSlice(ip, bannedIPs) {
+		return true
+	} else {
+		bannedIPs = append(bannedIPs, ip)
+		return false
+	}
+}

routes.go

@@ -1,9 +1,12 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
 	"html/template"
+	"io"
 	"io/ioutil"
+	"log"
 	"net/http"
 	"os"
 	"path"
@@ -18,6 +21,65 @@ import (
 	"github.com/russross/blackfriday"
 )
 
+const _24K = (1 << 20) * 24
+
+func putFile(c *gin.Context) {
+	if isIPBanned(c.ClientIP()) {
+		c.Data(200, "text/plain", []byte("You are rate limited to 20 requests/hour."))
+		return
+	}
+	filename := c.Param("title")
+	if len(filename) == 0 {
+		filename = randomAlliterateCombo()
+	}
+	contentLength := c.Request.ContentLength
+	var reader io.Reader
+	reader = c.Request.Body
+	if contentLength == -1 {
+		// queue file to disk, because s3 needs content length
+		var err error
+		var f io.Reader
+
+		f = reader
+
+		var b bytes.Buffer
+
+		n, err := io.CopyN(&b, f, _24K+1)
+		if err != nil && err != io.EOF {
+			log.Printf("%s", err.Error())
+		}
+
+		if n > _24K {
+			file, err := ioutil.TempFile("./", "transfer-")
+			if err != nil {
+				log.Printf("%s", err.Error())
+			}
+
+			defer file.Close()
+
+			n, err = io.Copy(file, io.MultiReader(&b, f))
+			if err != nil {
+				os.Remove(file.Name())
+				log.Printf("%s", err.Error())
+			}
+
+			reader, err = os.Open(file.Name())
+		} else {
+			reader = bytes.NewReader(b.Bytes())
+		}
+
+		contentLength = n
+	}
+	buf := new(bytes.Buffer)
+	buf.ReadFrom(reader)
+	// p := WikiData{filename, "", []string{}, []string{}, false, ""}
+	// p.save(buf.String())
+	var p WikiData
+	p.load(strings.ToLower(filename))
+	p.save(buf.String())
+	c.Data(200, "text/plain", []byte("File uploaded to http://"+RuntimeArgs.ExternalIP+"/"+filename))
+}
+
 type EncryptionPost struct {
 	Text     string `form:"text" json:"text" binding:"required"`
 	Password string `form:"password" json:"password" binding:"required"`
@@ -158,37 +220,37 @@ func editNote(c *gin.Context) {
 	} else if strings.ToLower(title) == "help" { //}&& strings.Contains(AllowedIPs, c.ClientIP()) != true {
 		c.Redirect(302, "/Help/view")
 	} else {
-		locked, _ := hasPassword(title)
-		if locked {
-			c.Redirect(302, "/"+title+"/view")
-		} else {
-			version := c.DefaultQuery("version", "-1")
-			versionNum, _ := strconv.Atoi(version)
-			currentText, versions, currentVersion, totalTime, encrypted, locked := getCurrentText(title, versionNum)
-			if encrypted || len(locked) > 0 {
-				c.Redirect(302, "/"+title+"/view")
-			}
-			if strings.Contains(currentText, "self-destruct\n") || strings.Contains(currentText, "\nself-destruct") {
-				c.Redirect(302, "/"+title+"/view")
-			}
-			numRows := len(strings.Split(currentText, "\n")) + 10
-			totalTimeString := totalTime.String()
-			if totalTime.Seconds() < 1 {
-				totalTimeString = "< 1 s"
-			}
-			c.HTML(http.StatusOK, "index.tmpl", gin.H{
-				"Title":       title,
-				"WikiName":    RuntimeArgs.WikiName,
-				"ExternalIP":  RuntimeArgs.ExternalIP,
-				"CurrentText": currentText,
-				"NumRows":     numRows,
-				"Versions":    versions,
-				"TotalTime":   totalTimeString,
-				"SocketType":  RuntimeArgs.Socket,
-				"NoEdit":      !currentVersion,
-			})
-
+		version := c.DefaultQuery("version", "-1")
+		versionNum, _ := strconv.Atoi(version)
+		currentText, versions, currentVersion, totalTime, encrypted, locked := getCurrentText(title, versionNum)
+		if strings.Contains(c.Request.Header.Get("User-Agent"), "curl/") {
+			c.Data(200, "text/plain", []byte(currentText))
+			return
 		}
+		if encrypted || len(locked) > 0 {
+			c.Redirect(302, "/"+title+"/view")
+			return
+		}
+		if strings.Contains(currentText, "self-destruct\n") || strings.Contains(currentText, "\nself-destruct") {
+			c.Redirect(302, "/"+title+"/view")
+			return
+		}
+		numRows := len(strings.Split(currentText, "\n")) + 10
+		totalTimeString := totalTime.String()
+		if totalTime.Seconds() < 1 {
+			totalTimeString = "< 1 s"
+		}
+		c.HTML(http.StatusOK, "index.tmpl", gin.H{
+			"Title":       title,
+			"WikiName":    RuntimeArgs.WikiName,
+			"ExternalIP":  RuntimeArgs.ExternalIP,
+			"CurrentText": currentText,
+			"NumRows":     numRows,
+			"Versions":    versions,
+			"TotalTime":   totalTimeString,
+			"SocketType":  RuntimeArgs.Socket,
+			"NoEdit":      !currentVersion,
+		})
 	}
 }
 

templates/aboutpage.md

@@ -2,7 +2,7 @@
 
 # CowYo
 ## Collections of Organized Words You Open
-![Version 0.94](https://img.shields.io/badge/version-0.94-brightgreen.svg)
+![Version 0.95](https://img.shields.io/badge/version-0.95-brightgreen.svg)
 
 This is a self-contained wiki webserver that makes sharing easy and _fast_. The most important feature here is *simplicity*. There are many other features as well including versioning, page locking, self-destructing messages, encryption, math support, and listifying. Read on to learn more about the features. **CowYo** is also [Open Source](https://github.com/schollz/cowyo).
 
@@ -45,6 +45,24 @@ This is a self-contained wiki webserver that makes sharing easy and _fast_. The
 
 <br>
 
+**CLI support**. Want to upload/download from a server? Its super easy. Upload/download files like this:
+```bash
+$ echo "Hello, world!" > hi.txt
+$ curl --upload-file hi.txt cowyo.com
+  File uploaded to http://cowyo.com/hi.txt
+$ curl cowyo.com/test.txt
+  Hello, world!
+```
+or just skip the file-creation step,
+```bash
+$ echo "Wow, so easy" | curl --upload-file "-" cowyo.com
+  File uploaded to http://cowyo.com/CautiousCommonLoon
+$ curl cowyo.com/CautiousCommonLoon
+  Wow, so easy
+```
+
+<br>
+
 **Keyboard Shortcuts**. Quickly transition between Edit/View/List by using `Ctl+Shift+E` to Edit, `Ctl+Shift+Z` to View, and `Ctl+Shift+L` to Listify.
 
 **Admin controls**. The Admin can view/delete all the documents by setting the `-a YourAdminKey` when starting the program. Then the admin has access to the `/ls/YourAdminKey` to view and delete any of the pages.