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working on preview templates

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This commit is contained in:
Remco 2014-11-11 22:04:33 +01:00
parent 2915f65c23
commit b8b494f697
11 changed files with 208 additions and 40 deletions
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10
README.md
View file

@ -62,6 +62,16 @@ go run transfersh-server/*.go -provider=local --port 8080 --temp=/tmp/ --basedir
go build -o transfersh-server *.go
```
## Docker
For easy deployment we've enabled Docker deployment.
```
cd ./transfer-server/
docker build -t transfersh .
docker run --publish 8080:8080 --rm transfersh --provider local --basedir /tmp/
```
## Contributions
Contributions are welcome.

6
transfersh-server/.ebextensions/01config_nginx.config Normal file
View file

@ -0,0 +1,6 @@
files:
"/etc/nginx/conf.d/client_max_body_size.conf":
mode: "000644"
owner: root
group: root
content: "client_max_body_size 0;"

12
transfersh-server/handlers.go
View file

@ -76,9 +76,9 @@ func previewHandler(w http.ResponseWriter, r *http.Request) {
switch {
case strings.HasPrefix(contentType, "image/"):
templatePath = "static/download.image.html"
templatePath = "download.image.html"
case strings.HasPrefix(contentType, "text/"):
templatePath = "static/download.md.html"
templatePath = "download.md.html"
var reader io.ReadCloser
if reader, _, _, err = storage.Get(token, filename); err != nil {
@ -100,12 +100,12 @@ func previewHandler(w http.ResponseWriter, r *http.Request) {
content = html_template.HTML(data)
}
templatePath = "static/download.md.html"
templatePath = "download.md.html"
default:
templatePath = "static/download.html"
templatePath = "download.html"
}
tmpl, err := html_template.ParseFiles(templatePath)
tmpl, err := html_template.New(templatePath).Funcs(html_template.FuncMap{"format": formatNumber}).ParseFiles("static/" + templatePath)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
@ -126,7 +126,7 @@ func previewHandler(w http.ResponseWriter, r *http.Request) {
contentLength,
}
if err := tmpl.Execute(w, data); err != nil {
if err := tmpl.ExecuteTemplate(w, templatePath, data); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}

19
transfersh-server/main.go
View file

@ -88,27 +88,26 @@ func main() {
r.HandleFunc("/({files:.*}).tar.gz", tarGzHandler).Methods("GET")
r.HandleFunc("/download/{token}/{filename}", getHandler).Methods("GET")
r.HandleFunc("/{token}/{filename}", previewHandler).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) bool {
r.HandleFunc("/{token}/{filename}", previewHandler).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) (match bool) {
match = false
// The file will show a preview page when opening the link in browser directly or
// from external link. Otherwise it will download the file immediatly.
// from external link. If the referer url path and current path are the same it will be
// downloaded.
if !acceptsHtml(r.Header) {
return false
}
match := (r.Referer() == "")
match = (r.Referer() == "")
u, err := url.Parse(r.Referer())
if err != nil {
log.Fatal(err)
return match
return
}
match = match || (u.Host == "transfersh.elasticbeanstalk.com")
match = match || (u.Host == "jxm5d6emw5rknovg.onion")
match = match || (u.Host == "transfer.sh")
match = match || (u.Host == "127.0.0.1")
return match
match = match || (u.Path != r.URL.Path)
return
}).Methods("GET")
r.HandleFunc("/{token}/{filename}", getHandler).Methods("GET")

9
transfersh-server/static/download.html
View file

@ -57,12 +57,9 @@
<section id="home">
<div class="wrapper">
<br/>
<h2>
{{.Filename}}</h2>
<h4>
Type: <b>{{.ContentType}}</b></h4>
<h4>
Length: <b>{{.ContentLength}}</b> bytes</h4>
<h2>{{.Filename}}</h2>
<h4>type: <b>{{.ContentType}}</b></h4>
<h4>size: <b>{{.ContentLength | format "#,###."}}</b> bytes</h4>
<div>
<a href="#" id="copy-link-btn" class="btn-cta btn">copy link</a> &nbsp;&nbsp;
<a href="{{.Url}}" class="btn-cta btn"> download</i> </a>

7
transfersh-server/static/download.image.html
View file

@ -56,10 +56,9 @@
<section id="home">
<div class="wrapper">
<br/>
<h2>
{{.Filename}}</h2>
<a href="{{.Url}}"></a>
<h2> {{.Filename}}</h2>
<h4>type: <b>{{.ContentType}}</b></h4>
<h4>size: <b>{{.ContentLength | format "#,###."}}</b> bytes</h4>
<div class="row animated fadeInDown">
<div id="from-terminal" class=" box col-md-8 col-md-offset-2 col-xs-12">
<div class="terminal-top">

5
transfersh-server/static/download.md.html
View file

@ -55,9 +55,10 @@
<section id="home">
<div class="wrapper">
<br/>
<h2>{{.Filename}}</h2>
<h4>Type: <b>{{.ContentType}}</b></h4>
<h4>Length: <b>{{.ContentLength}}</b> bytes</h4>
<h4>type: <b>{{.ContentType}}</b></h4>
<h4>size: <b>{{.ContentLength | format "#,###."}}</b> bytes</h4>
<div class="row animated fadeInDown">
<div id="from-terminal" class=" box col-md-8 col-md-offset-2 col-xs-12">
<div class="terminal-top">

159
transfersh-server/utils.go
View file

@ -28,8 +28,10 @@ import (
"github.com/goamz/goamz/aws"
"github.com/goamz/goamz/s3"
"github.com/golang/gddo/httputil/header"
"math"
"net/http"
"net/mail"
"strconv"
"strings"
"time"
)
@ -45,6 +47,163 @@ func getBucket() (*s3.Bucket, error) {
return b, nil
}
func formatNumber(format string, s uint64) string {
return RenderFloat(format, float64(s))
}
var renderFloatPrecisionMultipliers = [10]float64{
1,
10,
100,
1000,
10000,
100000,
1000000,
10000000,
100000000,
1000000000,
}
var renderFloatPrecisionRounders = [10]float64{
0.5,
0.05,
0.005,
0.0005,
0.00005,
0.000005,
0.0000005,
0.00000005,
0.000000005,
0.0000000005,
}
func RenderFloat(format string, n float64) string {
// Special cases:
// NaN = "NaN"
// +Inf = "+Infinity"
// -Inf = "-Infinity"
if math.IsNaN(n) {
return "NaN"
}
if n > math.MaxFloat64 {
return "Infinity"
}
if n < -math.MaxFloat64 {
return "-Infinity"
}
// default format
precision := 2
decimalStr := "."
thousandStr := ","
positiveStr := ""
negativeStr := "-"
if len(format) > 0 {
// If there is an explicit format directive,
// then default values are these:
precision = 9
thousandStr = ""
// collect indices of meaningful formatting directives
formatDirectiveChars := []rune(format)
formatDirectiveIndices := make([]int, 0)
for i, char := range formatDirectiveChars {
if char != '#' && char != '0' {
formatDirectiveIndices = append(formatDirectiveIndices, i)
}
}
if len(formatDirectiveIndices) > 0 {
// Directive at index 0:
// Must be a '+'
// Raise an error if not the case
// index: 0123456789
// +0.000,000
// +000,000.0
// +0000.00
// +0000
if formatDirectiveIndices[0] == 0 {
if formatDirectiveChars[formatDirectiveIndices[0]] != '+' {
panic("RenderFloat(): invalid positive sign directive")
}
positiveStr = "+"
formatDirectiveIndices = formatDirectiveIndices[1:]
}
// Two directives:
// First is thousands separator
// Raise an error if not followed by 3-digit
// 0123456789
// 0.000,000
// 000,000.00
if len(formatDirectiveIndices) == 2 {
if (formatDirectiveIndices[1] - formatDirectiveIndices[0]) != 4 {
panic("RenderFloat(): thousands separator directive must be followed by 3 digit-specifiers")
}
thousandStr = string(formatDirectiveChars[formatDirectiveIndices[0]])
formatDirectiveIndices = formatDirectiveIndices[1:]
}
// One directive:
// Directive is decimal separator
// The number of digit-specifier following the separator indicates wanted precision
// 0123456789
// 0.00
// 000,0000
if len(formatDirectiveIndices) == 1 {
decimalStr = string(formatDirectiveChars[formatDirectiveIndices[0]])
precision = len(formatDirectiveChars) - formatDirectiveIndices[0] - 1
}
}
}
// generate sign part
var signStr string
if n >= 0.000000001 {
signStr = positiveStr
} else if n <= -0.000000001 {
signStr = negativeStr
n = -n
} else {
signStr = ""
n = 0.0
}
// split number into integer and fractional parts
intf, fracf := math.Modf(n + renderFloatPrecisionRounders[precision])
// generate integer part string
intStr := strconv.Itoa(int(intf))
// add thousand separator if required
if len(thousandStr) > 0 {
for i := len(intStr); i > 3; {
i -= 3
intStr = intStr[:i] + thousandStr + intStr[i:]
}
}
// no fractional part, we can leave now
if precision == 0 {
return signStr + intStr
}
// generate fractional part
fracStr := strconv.Itoa(int(fracf * renderFloatPrecisionMultipliers[precision]))
// may need padding
if len(fracStr) < precision {
fracStr = "000000000000000"[:precision-len(fracStr)] + fracStr
}
return signStr + intStr + decimalStr + fracStr
}
func RenderInteger(format string, n int) string {
return RenderFloat(format, float64(n))
}
// Request.RemoteAddress contains port, which we want to remove i.e.:
// "[::1]:58292" => "[::1]"
func ipAddrFromRemoteAddr(s string) string {

9
transfersh-web/download.html
View file

@ -31,12 +31,9 @@ include "includes/head.html"
<section id="home">
<div class="wrapper">
<br/>
<h2>
{{.Filename}}</h2>
<h4>
Type: <b>{{.ContentType}}</b></h4>
<h4>
Length: <b>{{.ContentLength}}</b> bytes</h4>
<h2>{{.Filename}}</h2>
<h4>type: <b>{{.ContentType}}</b></h4>
<h4>size: <b>{{.ContentLength | format "#,###."}}</b> bytes</h4>
<div>
<a href="#" id="copy-link-btn" class="btn-cta btn">copy link</a> &nbsp;&nbsp;
<a href="{{.Url}}" class="btn-cta btn"> download</i> </a>

7
transfersh-web/download.image.html
View file

@ -30,10 +30,9 @@ include "includes/head.html"
<section id="home">
<div class="wrapper">
<br/>
<h2>
{{.Filename}}</h2>
<a href="{{.Url}}"></a>
<h2> {{.Filename}}</h2>
<h4>type: <b>{{.ContentType}}</b></h4>
<h4>size: <b>{{.ContentLength | format "#,###."}}</b> bytes</h4>
<div class="row animated fadeInDown">
<div id="from-terminal" class=" box col-md-8 col-md-offset-2 col-xs-12">
<div class="terminal-top">

5
transfersh-web/download.md.html
View file

@ -29,9 +29,10 @@ include "includes/head.html"
<section id="home">
<div class="wrapper">
<br/>
<h2>{{.Filename}}</h2>
<h4>Type: <b>{{.ContentType}}</b></h4>
<h4>Length: <b>{{.ContentLength}}</b> bytes</h4>
<h4>type: <b>{{.ContentType}}</b></h4>
<h4>size: <b>{{.ContentLength | format "#,###."}}</b> bytes</h4>
<div class="row animated fadeInDown">
<div id="from-terminal" class=" box col-md-8 col-md-offset-2 col-xs-12">
<div class="terminal-top">