├── .gitignore ├── LICENSE ├── README.md ├── convertConfluencePages.sh ├── go.mod ├── go.sum └── mhtml2html.go /.gitignore: -------------------------------------------------------------------------------- 1 | # Binaries for programs and plugins 2 | *.exe 3 | *.exe~ 4 | *.dll 5 | *.so 6 | *.dylib 7 | mhtml2html 8 | 9 | # Test binary, build with `go test -c` 10 | *.test 11 | 12 | # Output of the go coverage tool, specifically when used with LiteIDE 13 | *.out 14 | 15 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # mhtml2html 2 | 3 | Convert MHTM file to a single HTML embedded all resources with base64 encoding, so that your Spotlight or other desktop search engine can index them by default. 4 | 5 | ## Update 6 | 7 | - 2019-01-07: add script "convertConfluencePages.sh" to batch convert and clean MHT files. 8 | 9 | **Note:** it only work on where there is gnu **sed** command. 10 | 11 | - 2019-01-03: support minifiying HTML/CSS/scripts. 12 | 13 | - 2019-01-03: support removing elements or attributes. 14 | 15 | - 2019-01-01: embed all resources in a single HTML file, including scripts, style sheets and fonts. 16 | 17 | - 2018-12-31: clone from[UnMHT at gitlab](https://gitlab.com/opennota/unmht) . 18 | 19 | ## Install 20 | 21 | ``` BASH 22 | go get -u github.com/dingqiangliu/mhtml2html 23 | ``` 24 | 25 | ## Usage 26 | 27 | ``` BASH 28 | # mhtml2html -h 29 | mhtl2html [options] MHTMLFILE 30 | -b optional: browsing result(default: false, ouput to stdout) 31 | -m optional: need minify output(default: false) 32 | -ra value 33 | repeatablely optional: pairs of jquery like elements selector and attribute to be removed 34 | -re value 35 | repeatablely optional: jquery like elements selector to be removed 36 | 37 | # convert MHTL file to a single HTML file. 38 | mhtml2html previously-saved.mht > singlefile.html 39 | 40 | # open MHTL with default browser, no matter it support MHTL format or not. 41 | mhtml2html -b previously-saved.mht 42 | ``` 43 | 44 | -------------------------------------------------------------------------------- /convertConfluencePages.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | 3 | scriptDir=$(cd "$(dirname $0)"; pwd) 4 | 5 | function convertFile() 6 | { 7 | f="$1" 8 | html="${f%.mht*}" 9 | html="${html%.htm*}.html" 10 | nt=$(date -r $(stat -f "%m" "$f") -v "+1S" "+%Y%m%d%H%M.%S") 11 | if [ ! -n "$(find "$(dirname "$f")" -name "$(basename "$html")" -newer "$f")" ] ; then 12 | ver=$(grep "ian Confluence " "$f"|sed -rn 's/.*Confluence\s([0-9.]*).*/\1/p') 13 | 14 | failed= 15 | case "$ver" in 16 | "3.3") 17 | "$scriptDir/mhtml2html" -m -re '#splitter-sidebar' -re '[class=vsplitbar]' \ 18 | -re '#footer' -re '#header' -re '#navigation' -re 'img[class="logo global"]' \ 19 | -re 'li[class="page-metadata-item noprint"]' -re '#comment-top-links' \ 20 | -re '#add-comment-bottom' -re '[class=comment-actions]' -re '#labels-edit' \ 21 | -ra 'html' -ra 'class' -ra 'body' -ra 'class' -ra '#splitter' -ra 'style' \ 22 | -ra '#splitter-content' -ra 'style' "$f" > "$html" || failed=true 23 | ;; 24 | 25 | "5.1.3") 26 | #"$scriptDir/mhtml2html" -m -re '#splitter-sidebar' -re '[class=vsplitbar]' -re '#footer' -re '#header' -re '#navigation' -re 'img[class="logo global"]' -re 'li[class="page-metadata-item noprint"]' -re '#comment-top-links' -re '#add-comment-bottom' -re '[class=comment-actions]' -re '#labels-edit' -ra 'html' -ra 'class' -ra 'body' -ra 'class' -ra '#splitter' -ra 'style' -ra '#splitter-content' -ra 'style' "$f" > "$html" || failed=true 27 | # 5.1.3 for MapR 28 | "$scriptDir/mhtml2html" -m -re '#splitter-sidebar' -re '[class=vsplitbar]' \ 29 | -re '#footer' -re '#header' -re '#navigation' -ra 'html' -ra 'class' \ 30 | -ra 'body' -ra 'class' -ra '#splitter' -ra 'style' \ 31 | -ra '#splitter-content' -ra 'style' "$f" > "$html" || failed=true 32 | ;; 33 | 34 | "5.6.5") 35 | "$scriptDir/mhtml2html" -m -re '#splitter-sidebar' -re '[class=ia-fixed-sidebar]' -re '[class=vsplitbar]' \ 36 | -re '#footer' -re '#header' -re '#navigation' -re 'img[class="logo global"]' \ 37 | -re '#likes-section' -re '#labels-edit' -re '[class="bottom-comment-panels comment-panels"]' \ 38 | -re '[class="first action-reply-comment"]' -re '[class=comment-action-like]' \ 39 | -ra 'html' -ra 'class' -ra 'body' -ra 'class' -ra '#main' -ra 'style' -ra '#splitter' -ra 'style' \ 40 | -ra '#splitter-content' -ra 'style' "$f" > "$html" || failed=true 41 | ;; 42 | 43 | "5.8.4") 44 | "$scriptDir/mhtml2html" -m -re '[class="ia-fixed-sidebar"]' -re '#footer' \ 45 | -re '#header' -re '#navigation' -re 'img[class="logo global"]' \ 46 | -re '#likes-section' -re '#labels-edit' -re '[class="bottom-comment-panels comment-panels"]' \ 47 | -re '[class="first action-reply-comment"]' -re '[class=comment-action-like]' \ 48 | -ra 'html' -ra 'class' -ra 'body' -ra 'class' -ra '#main' -ra 'style' \ 49 | -ra '#splitter' -ra 'style' -ra '#splitter-content' -ra 'style' "$f" > "$html" || failed=true 50 | ;; 51 | 52 | "6.7.2") 53 | "$scriptDir/mhtml2html" -m -re '[class=ia-splitter-left]' -re '#footer' \ 54 | -re '#header' -re '#breadcrumb-section' -re '#page-metadata-banner' -re '#navigation' -re '#likes-section' \ 55 | -re '[class="bottom-comment-panels comment-panels"]' \ 56 | -re '[class="first action-reply-comment"]' -re '[class=comment-action-like]' \ 57 | -ra 'html' -ra 'class' -ra 'body' -ra 'class' -ra '#main' -ra 'style' "$f" > "$html" || failed=true 58 | ;; 59 | *) 60 | "$scriptDir/mhtml2html" -m "$f" > "$html" || failed=true 61 | ;; 62 | esac 63 | 64 | if [ -n "$failed" ] ; then 65 | echo "FAILED: $f" >&2 66 | [ -f "$html" ] && rm -rf "$html" 67 | else 68 | touch -m -t "$nt" "$html" 69 | fi 70 | fi 71 | } 72 | 73 | 74 | function convertPath() 75 | { 76 | path="$1" 77 | while read f ; do 78 | convertFile "$f" 79 | done <<< "$(find "$path" -name '*.mht*' 2>/dev/null)" 80 | } 81 | 82 | 83 | function clearFile() 84 | { 85 | f="$1" 86 | TMPDIR="REMOVED/$(dirname "$f")" 87 | mht="${f}.mht" 88 | if [ -n "$(find "$(dirname "$f")" -name "$(basename "$mht*")" ! -newer "$f")" ] ; then 89 | mkdir -p "$TMPDIR" 90 | mv -vf "$mht"* "$TMPDIR" 91 | fi 92 | mht="${f%.htm*}.mht" 93 | if [ -n "$(find "$(dirname "$f")" -name "$(basename "$mht*")" ! -newer "$f")" ] ; then 94 | mkdir -p "$TMPDIR" 95 | mv -vf "$mht"* "$TMPDIR" 96 | fi 97 | } 98 | 99 | 100 | function clearPath() 101 | { 102 | path="$1" 103 | while read f ; do 104 | clearFile "$f" 105 | done <<< "$(find "$path" -name '*.htm*' 2>/dev/null)" 106 | } 107 | 108 | 109 | showUsage () 110 | { 111 | echo "Convert all *.MHT* files in specified path to HTML format in the same location. \r\n Usage: $0 [-r(remove older *mht*)] path" >&2 112 | } 113 | 114 | 115 | removeOldMHT= 116 | while getopts ":rh:" opt; do 117 | case $opt in 118 | r) 119 | removeOldMHT="true" 120 | ;; 121 | h|?) 122 | showUsage 123 | exit 1 124 | ;; 125 | esac 126 | done 127 | shift $(($OPTIND -1)) 128 | 129 | if [ $# -ne 1 ] ; then 130 | showUsage 131 | exit 1 132 | fi 133 | 134 | loc="$1" 135 | if [ -d "$loc" ] ; then 136 | if [ -n "$removeOldMHT" ] ; then 137 | clearPath "$loc" 138 | else 139 | convertPath "$loc" 140 | fi 141 | elif [ -f "$loc" ] ; then 142 | if [ -n "$removeOldMHT" ] ; then 143 | clearFile "$loc" 144 | else 145 | convertFile "$loc" 146 | fi 147 | else 148 | echo "ERROR: $loc not exist!" >&2 149 | showUsage 150 | exit 1 151 | fi 152 | 153 | -------------------------------------------------------------------------------- /go.mod: -------------------------------------------------------------------------------- 1 | module github.com/dingqiangliu/mhtml2html 2 | 3 | require ( 4 | github.com/PuerkitoBio/goquery v1.4.1 5 | github.com/andybalholm/cascadia v1.0.0 6 | github.com/pkg/browser v0.0.0-20170505125900-c90ca0c84f15 7 | golang.org/x/net v0.0.0-20180911220305-26e67e76b6c3 8 | golang.org/x/text v0.3.0 // indirect 9 | ) 10 | -------------------------------------------------------------------------------- /go.sum: -------------------------------------------------------------------------------- 1 | github.com/PuerkitoBio/goquery v1.4.1 h1:smcIRGdYm/w7JSbcdeLHEMzxmsBQvl8lhf0dSw2nzMI= 2 | github.com/PuerkitoBio/goquery v1.4.1/go.mod h1:T9ezsOHcCrDCgA8aF1Cqr3sSYbO/xgdy8/R/XiIMAhA= 3 | github.com/andybalholm/cascadia v1.0.0 h1:hOCXnnZ5A+3eVDX8pvgl4kofXv2ELss0bKcqRySc45o= 4 | github.com/andybalholm/cascadia v1.0.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y= 5 | github.com/pkg/browser v0.0.0-20170505125900-c90ca0c84f15 h1:mrI+6Ae64Wjt+uahGe5we/sPS1sXjvfT3YjtawAVgps= 6 | github.com/pkg/browser v0.0.0-20170505125900-c90ca0c84f15/go.mod h1:4OwLy04Bl9Ef3GJJCoec+30X3LQs/0/m4HFRt/2LUSA= 7 | golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= 8 | golang.org/x/net v0.0.0-20180911220305-26e67e76b6c3 h1:czFLhve3vsQetD6JOJ8NZZvGQIXlnN3/yXxbT6/awxI= 9 | golang.org/x/net v0.0.0-20180911220305-26e67e76b6c3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= 10 | golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= 11 | golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= 12 | -------------------------------------------------------------------------------- /mhtml2html.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "bytes" 5 | "encoding/base64" 6 | "flag" 7 | "fmt" 8 | "io" 9 | "io/ioutil" 10 | "log" 11 | "mime" 12 | "mime/multipart" 13 | "net/http" 14 | "net/http/httptest" 15 | "net/mail" 16 | "net/url" 17 | "os" 18 | "path" 19 | "regexp" 20 | "strings" 21 | 22 | "golang.org/x/net/html/charset" 23 | 24 | "github.com/PuerkitoBio/goquery" 25 | "github.com/andybalholm/cascadia" 26 | "github.com/pkg/browser" 27 | 28 | "github.com/tdewolff/minify/v2" 29 | "github.com/tdewolff/minify/v2/css" 30 | "github.com/tdewolff/minify/v2/html" 31 | "github.com/tdewolff/minify/v2/js" 32 | "github.com/tdewolff/minify/v2/json" 33 | "github.com/tdewolff/minify/v2/svg" 34 | "github.com/tdewolff/minify/v2/xml" 35 | "github.com/tdewolff/parse/v2/buffer" 36 | ) 37 | 38 | type file struct { 39 | contentType string 40 | base *url.URL 41 | data []byte 42 | initial bool 43 | converted bool 44 | } 45 | 46 | 47 | type arrayFlags []string 48 | 49 | func (f *arrayFlags) String() string { 50 | return fmt.Sprint([]string(*f)) 51 | } 52 | 53 | func (f *arrayFlags) Set(value string) error { 54 | *f = append(*f, value) 55 | return nil 56 | } 57 | 58 | 59 | var ( 60 | browsing = flag.Bool("b", false, "optional: browsing result(default: false, ouput to stdout)") 61 | removingElementArray arrayFlags //option: jquery like elements selectors to be removed 62 | removingAttrArray arrayFlags //option: pairs of jquery like elements selector and attribute to be removed 63 | needMinify = flag.Bool("m", false, "optional: need minify output(default: false)") 64 | 65 | rWithProto = regexp.MustCompile("^[a-z]+:") 66 | rURL = regexp.MustCompile(`\burl\(([^()]+)\)`) 67 | 68 | files = make(map[string]*file) 69 | cid2loc = make(map[string]string) 70 | ) 71 | 72 | func abs(base *url.URL, url string) string { 73 | if rWithProto.MatchString(url) { 74 | return url 75 | } 76 | if strings.HasPrefix(url, "//") { 77 | return base.Scheme + ":" + url 78 | } 79 | if strings.HasPrefix(url, "/") { 80 | return base.Scheme + "://" + base.Host + url 81 | } 82 | return base.Scheme + "://" + base.Host + path.Join("/", path.Dir(base.Path), url) 83 | } 84 | 85 | func modifyCSS(base *url.URL, data []byte) []byte { 86 | return rURL.ReplaceAllFunc(data, func(d []byte) []byte { 87 | u := string(d[4 : len(d)-1]) 88 | u = strings.Trim(u, `"'`) 89 | if strings.HasPrefix(u, "data:") || strings.HasPrefix(u, "mailto:") { 90 | return d 91 | } 92 | if strings.HasPrefix(u, "cid:") { 93 | cid := strings.TrimPrefix(u, "cid:") 94 | u = cid2loc[cid] 95 | } 96 | // try to embed resource in CSS 97 | if f, ok := files[u]; ok { 98 | u = base64.StdEncoding.EncodeToString(f.data) 99 | u = "url(data:" + f.contentType + ";base64," + u + ")" 100 | } else { 101 | u = "url(/" + url.PathEscape(abs(base, u)) + ")" 102 | } 103 | return []byte(u) 104 | }) 105 | } 106 | 107 | func modifyHTML(base *url.URL, data []byte, converted bool) ([]byte, error) { 108 | d, err := goquery.NewDocumentFromReader(bytes.NewReader(data)) 109 | if err != nil { 110 | return nil, err 111 | } 112 | 113 | // remove elements 114 | for _, sel := range removingElementArray { 115 | //fmt.Fprintf(os.Stderr, "DEBUG: remove elements %s: %s \n", sel, d.Find(sel).Nodes) 116 | d.Find(sel).Remove() 117 | } 118 | 119 | // remove attributes 120 | var sel, attr string 121 | for i, item := range removingAttrArray { 122 | if i % 2 == 0 { 123 | sel = item 124 | } else { 125 | attr = item 126 | } 127 | if i % 2 == 1 { 128 | el := d.Find(sel) 129 | //fmt.Fprintf(os.Stderr, "DEUBG: try to remove attr %s[%s] from: %s \n", sel, attr, el.Nodes) 130 | if _, ok := el.Attr(attr); ok { 131 | //el.RemoveAttr(attr) 132 | el.SetAttr(attr, "") 133 | //fmt.Fprintf(os.Stderr, "DEBUG: removed attr %s[%s]\n", sel, attr) 134 | } 135 | } 136 | } 137 | 138 | if converted { 139 | d.Find("meta[http-equiv], meta[charset]").Each(func(_ int, sel *goquery.Selection) { 140 | httpEq, ok := sel.Attr("http-equiv") 141 | if ok && strings.ToLower(httpEq) == "content-type" { 142 | sel.SetAttr("content", "text/html; charset=utf-8") 143 | } else if !ok { 144 | sel.SetAttr("charset", "utf-8") 145 | } 146 | }) 147 | } 148 | 149 | redefinedBase := d.Find("head > base[href]") 150 | if redefinedBase.Length() > 0 { 151 | href, _ := redefinedBase.First().Attr("href") 152 | u, err := url.Parse(href) 153 | if err != nil { 154 | return nil, err 155 | } 156 | base = u 157 | redefinedBase.Remove() 158 | } 159 | 160 | m := cascadia.MustCompile("a[href]") 161 | for _, attr := range []string{"src", "href", "background"} { 162 | d.Find("[" + attr + "]").Each(func(_ int, sel *goquery.Selection) { 163 | if sel.IsMatcher(m) { 164 | return 165 | } 166 | v, _ := sel.Attr(attr) 167 | if strings.HasPrefix(v, "data:") || strings.HasPrefix(v, "mailto:") { 168 | return 169 | } 170 | if strings.HasPrefix(v, "cid:") { 171 | cid := strings.TrimPrefix(v, "cid:") 172 | v = cid2loc[cid] 173 | } 174 | 175 | // try to embed resource in HTML 176 | if f, ok := files[v]; ok { 177 | v = "data:" + f.contentType + ";base64," + base64.StdEncoding.EncodeToString(f.data) 178 | sel.SetAttr(attr, v) 179 | } else { 180 | v = abs(base, v) 181 | sel.SetAttr(attr, "/"+url.PathEscape(v)) 182 | } 183 | 184 | sel.RemoveAttr("integrity") 185 | }) 186 | } 187 | d.Find("style").Each(func(_ int, sel *goquery.Selection) { 188 | style := sel.Text() 189 | if !strings.Contains(style, "url(") { 190 | return 191 | } 192 | style = string(modifyCSS(base, []byte(style))) 193 | sel.SetText(style) 194 | }) 195 | d.Find("[style]").Each(func(_ int, sel *goquery.Selection) { 196 | style, _ := sel.Attr("style") 197 | if !strings.Contains(style, "url(") { 198 | return 199 | } 200 | style = string(modifyCSS(base, []byte(style))) 201 | sel.SetAttr("style", style) 202 | }) 203 | 204 | html, err := d.Html() 205 | if err != nil { 206 | return nil, err 207 | } 208 | return []byte(html), nil 209 | } 210 | 211 | func handler(w http.ResponseWriter, r *http.Request) { 212 | url := strings.TrimPrefix(r.URL.Path, "/") 213 | f, ok := files[url] 214 | if !ok { 215 | found := false 216 | lower := strings.ToLower(url) 217 | for k, f2:= range files { 218 | if strings.ToLower(k) == lower { 219 | found = true 220 | f = f2 221 | break 222 | } 223 | } 224 | if !found { 225 | http.NotFound(w, r) 226 | 227 | //fmt.Fprintf(os.Stderr, "DEBUG: Not found: %s ", url) 228 | return 229 | } 230 | } 231 | 232 | w.Header().Add("Content-Type", f.contentType) 233 | w.Header().Add("Content-Length", fmt.Sprint(len(f.data))) 234 | w.Write(f.data) 235 | 236 | //fmt.println(os.Stderr, "DEBUG GET: ", url, " Content-Type: ", f.contentType, "Content-Length: ", len(f.data)) 237 | } 238 | 239 | func main() { 240 | log.SetFlags(log.Lshortfile) 241 | flag.Usage = func() { 242 | fmt.Fprintf(os.Stderr, "mhtl2html [opitons] MHTMLFILE \r\n Options: \r\n") 243 | flag.PrintDefaults() 244 | } 245 | flag.Var(&removingElementArray, "re", "repeatablely optional: jquery like elements selector to be removed") 246 | flag.Var(&removingAttrArray, "ra", "repeatablely optional: pairs of jquery like elements selector and attribute to be removed") 247 | flag.Parse() 248 | if (flag.NArg() != 1) || (len(removingAttrArray) % 2 != 0) { 249 | flag.Usage() 250 | os.Exit(0) 251 | } 252 | 253 | f, err := os.Open(flag.Arg(0)) 254 | if err != nil { 255 | log.Fatal(err) 256 | } 257 | 258 | msg, err := mail.ReadMessage(f) 259 | if err != nil { 260 | log.Fatal(err) 261 | } 262 | 263 | _, params, err := mime.ParseMediaType(msg.Header.Get("Content-Type")) 264 | boundary := params["boundary"] 265 | if err != nil { 266 | log.Fatal(err) 267 | } 268 | 269 | var minifier *minify.M 270 | if *needMinify { 271 | minifier = minify.New() 272 | minifier.AddFunc("text/css", css.Minify) 273 | minifier.AddFunc("text/html", html.Minify) 274 | minifier.AddFunc("image/svg+xml", svg.Minify) 275 | minifier.AddFuncRegexp(regexp.MustCompile("^(application|text)/(x-)?(java|ecma)script$"), js.Minify) 276 | minifier.AddFuncRegexp(regexp.MustCompile("[/+]json$"), json.Minify) 277 | minifier.AddFuncRegexp(regexp.MustCompile("[/+]xml$"), xml.Minify) 278 | } 279 | 280 | mpr := multipart.NewReader(msg.Body, boundary) 281 | initialLoc := "" 282 | for { 283 | part, err := mpr.NextPart() 284 | if err == io.EOF { 285 | break 286 | } 287 | if err != nil { 288 | log.Fatal(err) 289 | } 290 | 291 | contentLocation := part.Header.Get("Content-Location") 292 | base, err := url.Parse(contentLocation) 293 | if err != nil { 294 | log.Fatal(err) 295 | } 296 | 297 | data, err := ioutil.ReadAll(part) 298 | if err != nil { 299 | log.Fatal(err) 300 | } 301 | 302 | if part.Header.Get("Content-Transfer-Encoding") == "base64" { 303 | n := base64.StdEncoding.DecodedLen(len(data)) 304 | buf := make([]byte, n) 305 | n, err := base64.StdEncoding.Decode(buf, data) 306 | if err != nil { 307 | log.Fatal(err) 308 | } 309 | data = buf[:n] 310 | } 311 | 312 | if cid := part.Header.Get("Content-ID"); cid != "" { 313 | cid = strings.Trim(cid, "<>") 314 | cid2loc[cid] = contentLocation 315 | } 316 | 317 | // NOTE: no space and double quotation permitted in contenType of CSS url base64 encoding data 318 | contentType := part.Header.Get("Content-Type") 319 | contentType = strings.Replace(contentType, "\"", "", -1) 320 | contentType = strings.Replace(contentType, "'", "", -1) 321 | contentType = strings.Replace(contentType, " ", "", -1) 322 | initial := false 323 | if initialLoc == "" && (contentType == "text/html" || strings.HasPrefix(contentType, "text/html;")) { 324 | initialLoc = contentLocation 325 | initial = true 326 | } 327 | 328 | if *needMinify { 329 | out := buffer.NewWriter(make([]byte, 0, len(data))) 330 | if err := minifier.Minify(strings.Split(contentType, ";")[0], out, buffer.NewReader(data)); err == nil { 331 | data = out.Bytes() 332 | } else { 333 | //fmt.Fprintf(os.Stderr, "DEBUG: failed to miniy %s %s. Reason: %s \n", contentType, contentLocation, err) 334 | } 335 | } 336 | 337 | files[contentLocation] = &file{contentType, base, data, initial, false} 338 | } 339 | 340 | if initialLoc == "" { 341 | log.Fatal("no HTML pages to display") 342 | } 343 | 344 | for _, f := range files { 345 | if ct := f.contentType; ct == "text/css" { 346 | f.data = modifyCSS(f.base, f.data) 347 | } 348 | } 349 | for _, f := range files { 350 | if ct := f.contentType; ct == "text/html" || strings.HasPrefix(ct, "text/html;") { 351 | encoding, name, certain := charset.DetermineEncoding(f.data, f.contentType) 352 | if name != "utf-8" && !(name == "windows-1252" && !certain) { 353 | decoded, err := encoding.NewDecoder().Bytes(f.data) 354 | if err != nil { 355 | log.Fatal(err) 356 | } 357 | f.data = decoded 358 | if strings.Contains(f.contentType, ";") { 359 | f.contentType = strings.SplitN(f.contentType, ";", 2)[0] 360 | } 361 | f.converted = true 362 | } 363 | var err error 364 | f.data, err = modifyHTML(f.base, f.data, f.converted) 365 | if err != nil { 366 | log.Fatal(err) 367 | } 368 | } 369 | } 370 | 371 | if *browsing { 372 | srv := httptest.NewServer(http.HandlerFunc(handler)) 373 | initialURL := srv.URL + "/" + url.PathEscape(initialLoc) 374 | if err := browser.OpenURL(initialURL); err != nil { 375 | fmt.Fprintf(os.Stderr, "Couldn't start browser:", err) 376 | fmt.Fprintf(os.Stderr, "Open the following URL manually:", initialURL) 377 | } else { 378 | fmt.Fprintf(os.Stderr, "Browsing: %s", initialURL) 379 | } 380 | 381 | select {} 382 | } else { 383 | for _, f := range files { 384 | if ct := f.contentType; ct == "text/html" || strings.HasPrefix(ct, "text/html;") { 385 | os.Stdout.Write(f.data) 386 | } 387 | } 388 | } 389 | } 390 | 391 | --------------------------------------------------------------------------------