mirror of
https://github.com/jhillyerd/inbucket.git
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65 lines
2.0 KiB
Go
65 lines
2.0 KiB
Go
package httpd
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import (
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"fmt"
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"html"
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"html/template"
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"regexp"
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"strings"
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"time"
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"github.com/jhillyerd/inbucket/log"
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)
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// TemplateFuncs declares functions made available to all templates (including partials)
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var TemplateFuncs = template.FuncMap{
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"friendlyTime": FriendlyTime,
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"reverse": Reverse,
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"textToHtml": TextToHTML,
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}
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// From http://daringfireball.net/2010/07/improved_regex_for_matching_urls
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var urlRE = regexp.MustCompile("(?i)\\b((?:[a-z][\\w-]+:(?:/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}/)(?:[^\\s()<>]+|\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\))+(?:\\(([^\\s()<>]+|(\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:'\".,<>?«»“”‘’]))")
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// FriendlyTime renders a timestamp in a friendly fashion: 03:04:05 PM if same day,
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// otherwise Mon Jan 2, 2006
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func FriendlyTime(t time.Time) template.HTML {
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ty, tm, td := t.Date()
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ny, nm, nd := time.Now().Date()
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if (ty == ny) && (tm == nm) && (td == nd) {
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return template.HTML(t.Format("03:04:05 PM"))
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}
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return template.HTML(t.Format("Mon Jan 2, 2006"))
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}
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// Reverse routing function (shared with templates)
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func Reverse(name string, things ...interface{}) string {
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// Convert the things to strings
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strs := make([]string, len(things))
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for i, th := range things {
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strs[i] = fmt.Sprint(th)
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}
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// Grab the route
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u, err := Router.Get(name).URL(strs...)
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if err != nil {
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log.Errorf("Failed to reverse route: %v", err)
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return "/ROUTE-ERROR"
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}
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return u.Path
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}
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// TextToHTML takes plain text, escapes it and tries to pretty it up for
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// HTML display
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func TextToHTML(text string) template.HTML {
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text = html.EscapeString(text)
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text = urlRE.ReplaceAllStringFunc(text, WrapURL)
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replacer := strings.NewReplacer("\r\n", "<br/>\n", "\r", "<br/>\n", "\n", "<br/>\n")
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return template.HTML(replacer.Replace(text))
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}
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// WrapURL wraps a <a href> tag around the provided URL
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func WrapURL(url string) string {
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unescaped := strings.Replace(url, "&", "&", -1)
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return fmt.Sprintf("<a href=\"%s\" target=\"_blank\">%s</a>", unescaped, url)
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}
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