func Fuzz(data []byte) int {
sdata := string(data)
mt, params, err := mime.ParseMediaType(sdata)
if err != nil {
return 0
}
sdata1 := mime.FormatMediaType(mt, params)
mt1, params1, err := mime.ParseMediaType(sdata1)
if err != nil {
if err.Error() == "mime: no media type" {
// https://github.com/golang/go/issues/11289
return 0
}
if err.Error() == "mime: invalid media parameter" {
// https://github.com/golang/go/issues/11290
return 0
}
fmt.Printf("%q(%q, %+v) -> %q\n", sdata, mt, params, sdata1)
panic(err)
}
if !fuzz.DeepEqual(mt, mt1) {
fmt.Printf("%q -> %q\n", mt, mt1)
panic("mediatype changed")
}
if !fuzz.DeepEqual(params, params1) {
fmt.Printf("%+v -> %+v\n", params, params1)
panic("params changed")
}
return 1
}
func init() {
m = New()
m.AddFunc("dummy/copy", func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
io.Copy(w, r)
return nil
})
m.AddFunc("dummy/nil", func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
return nil
})
m.AddFunc("dummy/err", func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
return errDummy
})
m.AddFunc("dummy/charset", func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
_, param, _ := mime.ParseMediaType(mediatype)
w.Write([]byte(param["charset"]))
return nil
})
m.AddFunc("dummy/params", func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
_, param, _ := mime.ParseMediaType(mediatype)
return m.Minify(param["type"]+"/"+param["sub"], w, r)
})
m.AddFunc("type/sub", func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
w.Write([]byte("type/sub"))
return nil
})
m.AddFuncRegexp(regexp.MustCompile("^type/.+$"), func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
w.Write([]byte("type/*"))
return nil
})
m.AddFuncRegexp(regexp.MustCompile("^.+/.+$"), func(m Minifier, mediatype string, w io.Writer, r io.Reader) error {
w.Write([]byte("*/*"))
return nil
})
}
// fixContentType checks resp's Content-Type header. If it is missing or too
// general, it sniffs the body content to find the content type, and updates
// the Content-Type header.
func fixContentType(resp *http.Response) {
ct, _, err := mime.ParseMediaType(resp.Header.Get("Content-Type"))
if err != nil || !strings.Contains(ct, "/") {
ct = ""
}
switch ct {
case "unknown/unknown", "application/unknown", "*/*", "", "application/octet-stream":
// These types tend to be used for content whose type is unknown,
// so we should try to second-guess them.
preview := make([]byte, 512)
n, _ := resp.Body.Read(preview)
preview = preview[:n]
if n > 0 {
ct, _, _ = mime.ParseMediaType(http.DetectContentType(preview))
if ct != "application/octet-stream" {
resp.Header.Set("Content-Type", ct)
}
// Make the preview data available for re-reading.
var rc struct {
io.Reader
io.Closer
}
rc.Reader = io.MultiReader(bytes.NewBuffer(preview), resp.Body)
rc.Closer = resp.Body
resp.Body = rc
}
}
}
// parseMIMEParts will recursively walk a MIME entity and return a []mime.Part containing
// each (flattened) mime.Part found.
// It is important to note that there are no limits to the number of recursions, so be
// careful when parsing unknown MIME structures!
func parseMIMEParts(hs textproto.MIMEHeader, b io.Reader) ([]*part, error) {
var ps []*part
// If no content type is given, set it to the default
if _, ok := hs["Content-Type"]; !ok {
hs.Set("Content-Type", defaultContentType)
}
ct, params, err := mime.ParseMediaType(hs.Get("Content-Type"))
if err != nil {
return ps, err
}
// If it's a multipart email, recursively parse the parts
if strings.HasPrefix(ct, "multipart/") {
if _, ok := params["boundary"]; !ok {
return ps, ErrMissingBoundary
}
mr := multipart.NewReader(b, params["boundary"])
for {
var buf bytes.Buffer
p, err := mr.NextPart()
if err == io.EOF {
break
}
if err != nil {
return ps, err
}
if _, ok := p.Header["Content-Type"]; !ok {
p.Header.Set("Content-Type", defaultContentType)
}
subct, _, err := mime.ParseMediaType(p.Header.Get("Content-Type"))
if strings.HasPrefix(subct, "multipart/") {
sps, err := parseMIMEParts(p.Header, p)
if err != nil {
return ps, err
}
ps = append(ps, sps...)
} else {
// Otherwise, just append the part to the list
// Copy the part data into the buffer
if _, err := io.Copy(&buf, p); err != nil {
return ps, err
}
ps = append(ps, &part{body: buf.Bytes(), header: p.Header})
}
}
} else {
// If it is not a multipart email, parse the body content as a single "part"
var buf bytes.Buffer
if _, err := io.Copy(&buf, b); err != nil {
return ps, err
}
ps = append(ps, &part{body: buf.Bytes(), header: hs})
}
return ps, nil
}
// GetBodyStr returns plain string crawled.
func (self *Context) initText() {
// 采用surf内核下载时，尝试自动转码
if self.Request.DownloaderID == request.SURF_ID {
var contentType, pageEncode string
// 优先从响应头读取编码类型
contentType = self.Response.Header.Get("Content-Type")
if _, params, err := mime.ParseMediaType(contentType); err == nil {
if cs, ok := params["charset"]; ok {
pageEncode = strings.ToLower(strings.TrimSpace(cs))
}
}
// 响应头未指定编码类型时，从请求头读取
if len(pageEncode) == 0 {
contentType = self.Request.Header.Get("Content-Type")
if _, params, err := mime.ParseMediaType(contentType); err == nil {
if cs, ok := params["charset"]; ok {
pageEncode = strings.ToLower(strings.TrimSpace(cs))
}
}
}
switch pageEncode {
// 不做转码处理
case "", "utf8", "utf-8", "unicode-1-1-utf-8":
default:
// 指定了编码类型，但不是utf8时，自动转码为utf8
// get converter to utf-8
// Charset auto determine. Use golang.org/x/net/html/charset. Get response body and change it to utf-8
destReader, err := charset.NewReaderLabel(pageEncode, self.Response.Body)
if err == nil {
self.text, err = ioutil.ReadAll(destReader)
if err == nil {
self.Response.Body.Close()
return
} else {
logs.Log.Warning(" * [convert][%v]: %v (ignore transcoding)\n", self.GetUrl(), err)
}
} else {
logs.Log.Warning(" * [convert][%v]: %v (ignore transcoding)\n", self.GetUrl(), err)
}
}
}
// 不做转码处理
var err error
self.text, err = ioutil.ReadAll(self.Response.Body)
self.Response.Body.Close()
if err != nil {
panic(err.Error())
return
}
}
// binMIME handles the special case where the only content of the message is an
// attachment. It is called by ParseMIME when needed.
func binMIME(mailMsg *mail.Message) (*MIMEBody, error) {
// Determine mediatype
ctype := mailMsg.Header.Get("Content-Type")
mediatype, mparams, err := mime.ParseMediaType(ctype)
if err != nil {
mediatype = "attachment"
}
// Build the MIME part representing most of this message
p := NewMIMEPart(nil, mediatype)
content, err := decodeSection(mailMsg.Header.Get("Content-Transfer-Encoding"), mailMsg.Body)
if err != nil {
return nil, err
}
p.SetContent(content)
p.SetHeader(make(textproto.MIMEHeader, 4))
// Determine and set headers for: content disposition, filename and
// character set
disposition, dparams, err := mime.ParseMediaType(mailMsg.Header.Get("Content-Disposition"))
if err == nil {
// Disposition is optional
p.SetDisposition(disposition)
p.SetFileName(DecodeHeader(dparams["filename"]))
}
if p.FileName() == "" && mparams["name"] != "" {
p.SetFileName(DecodeHeader(mparams["name"]))
}
if p.FileName() == "" && mparams["file"] != "" {
p.SetFileName(DecodeHeader(mparams["file"]))
}
if p.Charset() == "" {
p.SetCharset(mparams["charset"])
}
p.Header().Set("Content-Type", mailMsg.Header.Get("Content-Type"))
p.Header().Set("Content-Disposition", mailMsg.Header.Get("Content-Disposition"))
// Add our part to the appropriate section of MIMEBody
m := &MIMEBody{
header: mailMsg.Header,
Root: NewMIMEPart(nil, mediatype),
IsTextFromHTML: false,
}
if disposition == "inline" {
m.Inlines = append(m.Inlines, p)
} else {
m.Attachments = append(m.Attachments, p)
}
return m, err
}
func (msg Jmessage) DecBody() (mailbody []byte, err error) {
contentType := msg.Header.Get("Content-Type")
if contentType == "" {
return readPlainText(map[string][]string(msg.Header), msg.Body)
}
mediaType, params, err := mime.ParseMediaType(contentType)
debug.Printf("MediaType: %s, %v\n", mediaType, params)
if err != nil {
debug.Printf("Error: %v", err)
return
}
mailbody = make([]byte, 0)
if strings.HasPrefix(mediaType, MEDIATYPE_MULTI) {
// multipart/...
mr := multipart.NewReader(msg.Body, params["boundary"])
for {
p, err := mr.NextPart()
if err == io.EOF {
return mailbody, err
}
if err != nil {
debug.Printf("Error: %v", err)
}
mt, _, err := mime.ParseMediaType(p.Header.Get("Content-Type"))
if err != nil {
debug.Printf("Error: %v", err)
return nil, err
}
debug.Printf("MediaType-inner: %s\n", mt)
if strings.HasPrefix(mt, MEDIATYPE_TEXT) {
// text/plain
return readPlainText(p.Header, p)
}
if strings.HasPrefix(mt, MEDIATYPE_MULTI_ALT) {
// multipart/alternative
return readAlternative(p)
}
// slurp, err := ioutil.ReadAll(p)
// if err != nil {
// debug.Printf("Error: %v", err)
// }
// for key, values := range p.Header {
// debug.Printf("%s:%v", key, values)
// }
// fmt.Printf("Slurping...: %q\n", slurp)
}
} else {
// text/plain, text/html
return readPlainText(map[string][]string(msg.Header), msg.Body)
}
return
}
// IsAttachment returns true, if the given header defines an attachment.
// First it checks, if the Content-Disposition header defines an attachement.
// If this test is false, the Content-Type header is checked.
//
// Valid Attachment-Headers:
//
// Content-Disposition: attachment; filename="frog.jpg"
// Content-Type: attachment; filename="frog.jpg"
//
func IsAttachment(header mail.Header) bool {
mediatype, _, _ := mime.ParseMediaType(header.Get("Content-Disposition"))
if strings.ToLower(mediatype) == "attachment" {
return true
}
mediatype, _, _ = mime.ParseMediaType(header.Get("Content-Type"))
if strings.ToLower(mediatype) == "attachment" {
return true
}
return false
}
// parseBody will accept a a raw body, break it into all its parts and then convert the
// message to UTF-8 from whatever charset it may have.
func parseBody(header mail.Header, body []byte) (html []byte, text []byte, isMultipart bool, err error) {
var mediaType string
var params map[string]string
mediaType, params, err = mime.ParseMediaType(header.Get("Content-Type"))
if err != nil {
return
}
if strings.HasPrefix(mediaType, "multipart/") {
isMultipart = true
mr := multipart.NewReader(bytes.NewReader(body), params["boundary"])
for {
p, err := mr.NextPart()
if err == io.EOF {
break
}
if err != nil {
break
}
slurp, err := ioutil.ReadAll(p)
if err != nil {
break
}
partMediaType, partParams, err := mime.ParseMediaType(p.Header.Get("Content-Type"))
if err != nil {
break
}
var htmlT, textT []byte
htmlT, textT, err = parsePart(partMediaType, partParams["charset"], p.Header.Get("Content-Transfer-Encoding"), slurp)
if len(htmlT) > 0 {
html = htmlT
} else {
text = textT
}
}
} else {
splitBody := bytes.SplitN(body, headerSplitter, 2)
if len(splitBody) < 2 {
err = errors.New("unexpected email format. (single part and no \\r\\n\\r\\n separating headers/body")
return
}
body = splitBody[1]
html, text, err = parsePart(mediaType, params["charset"], header.Get("Content-Transfer-Encoding"), body)
}
return
}
func (m *meta) parseContentType(ct string) error {
if ct == "" {
m.MediaType = "application/octet-stream"
return nil
}
mediatype, params, err := mime.ParseMediaType(ct)
if err != nil {
return err
}
if mediatype == "multipart/form-data" {
boundary, ok := params["boundary"]
if !ok {
return errors.New("meta: boundary not defined")
}
m.MediaType = mediatype
m.Boundary = boundary
} else {
m.MediaType = "application/octet-stream"
}
return nil
}
// GetContentType returns content-type of the message
func (m *Email) GetContentType() (contentType string, params map[string]string, err error) {
hdrCt, err := m.GetHeader("Content-Type")
if err != nil {
return
}
return mime.ParseMediaType(hdrCt)
}
// also from goiardi calc and encodebody data
func calcBodyHash(r *http.Request) (string, error) {
var bodyStr string
var err error
if r.Body == nil {
bodyStr = ""
} else {
save := r.Body
save, r.Body, err = drainBody(r.Body)
if err != nil {
return "", err
}
mediaType, params, err := mime.ParseMediaType(r.Header.Get("Content-Type"))
if err != nil {
return "", err
}
if strings.HasPrefix(mediaType, "multipart/form-data") {
bodyStr, err = readFileFromRequest(r, params["boundary"])
if err != nil {
return "", err
}
} else {
buf := new(bytes.Buffer)
buf.ReadFrom(r.Body)
bodyStr = buf.String()
}
r.Body = save
}
chkHash := hashStr(bodyStr)
return chkHash, err
}
func matchesContentType(contentType, expectedType string) bool {
mimetype, _, err := mime.ParseMediaType(contentType)
if err != nil {
utils.Errorf("Error parsing media type: %s error: %s", contentType, err.Error())
}
return err == nil && mimetype == expectedType
}
func (t *Transport) updateToken(tok *Token, v url.Values) error {
v.Set("client_id", t.ClientId)
v.Set("client_secret", t.ClientSecret)
r, err := (&http.Client{Transport: t.transport()}).PostForm(t.TokenURL, v)
if err != nil {
return err
}
defer r.Body.Close()
if r.StatusCode != 200 {
return OAuthError{"updateToken", r.Status}
}
var b struct {
Access string `json:"access_token"`
Refresh string `json:"refresh_token"`
ExpiresIn time.Duration `json:"expires_in"`
Id string `json:"id_token"`
}
content, _, _ := mime.ParseMediaType(r.Header.Get("Content-Type"))
switch content {
case "application/x-www-form-urlencoded", "text/plain":
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return err
}
vals, err := url.ParseQuery(string(body))
if err != nil {
return err
}
b.Access = vals.Get("access_token")
b.Refresh = vals.Get("refresh_token")
b.ExpiresIn, _ = time.ParseDuration(vals.Get("expires_in") + "s")
b.Id = vals.Get("id_token")
default:
if err = json.NewDecoder(r.Body).Decode(&b); err != nil {
return err
}
// The JSON parser treats the unitless ExpiresIn like 'ns' instead of 's' as above,
// so compensate here.
b.ExpiresIn *= time.Second
}
tok.AccessToken = b.Access
// Don't overwrite `RefreshToken` with an empty value
if len(b.Refresh) > 0 {
tok.RefreshToken = b.Refresh
}
if b.ExpiresIn == 0 {
tok.Expiry = time.Time{}
} else {
tok.Expiry = time.Now().Add(b.ExpiresIn)
}
if b.Id != "" {
if tok.Extra == nil {
tok.Extra = make(map[string]string)
}
tok.Extra["id_token"] = b.Id
}
return nil
}
func getEncoding(resp *gohttp.Response, body []byte) int {
charsetTable := map[string]int{
"gb18030": CP_GBK,
"gb2312": CP_GBK,
"hz": CP_GBK,
"big5": CP_BIG5,
"shift_jis": CP_SHIFT_JIS,
"euc-jp": CP_SHIFT_JIS,
"utf-8": CP_UTF8,
}
ctype := resp.Header.Get("Content-Type")
if len(ctype) == 0 {
return CP_UTF8
}
_, params, err := mime.ParseMediaType(ctype)
if err != nil {
return CP_UTF8
}
charset, ok := params["charset"]
if ok == false {
return CP_UTF8
}
encoding, ok := charsetTable[string(String(charset).ToLower())]
if ok == false {
encoding = CP_UTF8
}
return encoding
}
func MatchesContentType(contentType, expectedType string) bool {
mimetype, _, err := mime.ParseMediaType(contentType)
if err != nil {
fmt.Printf("Error parsing media type: %s error: %v", contentType, err)
}
return err == nil && mimetype == expectedType
}
// Reads & parses the request body, handling either JSON or multipart.
func (h *handler) readDocument() (db.Body, error) {
contentType, attrs, _ := mime.ParseMediaType(h.rq.Header.Get("Content-Type"))
switch contentType {
case "", "application/json":
return h.readJSON()
case "multipart/related":
if DebugMultipart {
raw, err := h.readBody()
if err != nil {
return nil, err
}
reader := multipart.NewReader(bytes.NewReader(raw), attrs["boundary"])
body, err := db.ReadMultipartDocument(reader)
if err != nil {
ioutil.WriteFile("GatewayPUT.mime", raw, 0600)
base.Warn("Error reading MIME data: copied to file GatewayPUT.mime")
}
return body, err
} else {
reader := multipart.NewReader(h.requestBody, attrs["boundary"])
return db.ReadMultipartDocument(reader)
}
default:
return nil, base.HTTPErrorf(http.StatusUnsupportedMediaType, "Invalid content type %s", contentType)
}
}
// isMime returns true if the string is a properly formed mime-type
func isMime(smime string) bool {
_, _, err := mime.ParseMediaType(smime)
if err != nil {
return false
}
return true
}
// extractBoundary extract boundary string in contentType.
// It returns empty string if no valid boundary found
func extractBoundary(contentType string) string {
_, params, err := mime.ParseMediaType(contentType)
if err == nil {
return params["boundary"]
}
return ""
}
// boudary string found in the Content-Type header.
func (m *Message) boundary() string {
_, params, _ := mime.ParseMediaType(m.ContentType())
if value, exists := params["boundary"]; exists {
return value
}
return ""
}
func NewFileFromPart(part *multipart.Part) (File, error) {
f := &MultipartFile{
Part: part,
}
contentType := part.Header.Get(contentTypeHeader)
if contentType == applicationSymlink {
out, err := ioutil.ReadAll(part)
if err != nil {
return nil, err
}
return &Symlink{
Target: string(out),
name: f.FileName(),
}, nil
}
var err error
f.Mediatype, _, err = mime.ParseMediaType(contentType)
if err != nil {
return nil, err
}
return f, nil
}
func logAccess(req *http.Request, resp *http.Response, contentLength int, pruned bool, user string, tally map[rule]int, scores map[string]int, rule ACLActionRule, title string, ignored []string, userAgent string) {
modified := ""
if pruned {
modified = "pruned"
}
status := 0
if resp != nil {
status = resp.StatusCode
}
if rule.Action == "" {
rule.Action = "allow"
}
var contentType string
if resp != nil {
contentType = resp.Header.Get("Content-Type")
}
if ct2, _, err := mime.ParseMediaType(contentType); err == nil {
contentType = ct2
}
accessLogChan <- toStrings(time.Now().Format("2006-01-02 15:04:05"), user, rule.Action, req.URL, req.Method, status, contentType, contentLength, modified, listTally(stringTally(tally)), listTally(scores), rule.Conditions(), title, strings.Join(ignored, ","), userAgent)
}
func (m *Message) parse(r io.Reader) error {
msg, err := mail.ReadMessage(r)
if err != nil {
return err
}
m.Subject = msg.Header.Get("Subject")
m.To = msg.Header.Get("To")
mediaType, params, err := mime.ParseMediaType(msg.Header.Get("Content-Type"))
if err != nil || !strings.HasPrefix(mediaType, "multipart/") {
slurp, _ := ioutil.ReadAll(msg.Body)
m.Body = string(slurp)
return nil
}
if err := m.parseMultipart(msg.Body, params["boundary"]); err != nil {
return err
}
// If we didn't find a text/plain body, pick the first body we did find.
if m.Body == "" {
for _, body := range m.bodies {
if body != "" {
m.Body = body
break
}
}
}
return nil
}
func NewDecoderFromResponse(res *http.Response) (*Decoder, error) {
_, param, err := mime.ParseMediaType(res.Header.Get("Content-Type"))
if err != nil {
return nil, err
}
return NewDecoder(res.Body, param["boundary"]), nil
}
func resolveHTTP(uri *URI) (*e3x.Identity, error) {
resp, err := http.Get("http://" + uri.Canonical + "/.well-known/mesh.json")
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, fmt.Errorf("unexpected status code: %d", resp.StatusCode)
}
typ := resp.Header.Get("Content-Type")
typ, _, err = mime.ParseMediaType(typ)
if err != nil {
return nil, err
}
if typ != "application/json" && typ != "text/json" {
return nil, fmt.Errorf("unexpected content type: %q", typ)
}
var ident *e3x.Identity
err = json.NewDecoder(resp.Body).Decode(&ident)
if err != nil {
return nil, err
}
return ident, nil
}
// ForEach ...
func (r *GetObjectResponse) ForEach(result GetObjectResult) error {
resp := r.response
defer resp.Body.Close()
mediaType, params, err := mime.ParseMediaType(resp.Header.Get("Content-Type"))
if err != nil {
return err
}
// its not multipart, just leave
if !strings.HasPrefix(mediaType, "multipart/") {
return result(NewObjectFromStream(textproto.MIMEHeader(resp.Header), resp.Body))
}
// its multipart, need to break it up
partsReader := multipart.NewReader(resp.Body, params["boundary"])
for {
part, err := partsReader.NextPart()
switch {
case err == io.EOF:
return nil
case err != nil:
return err
}
err = result(NewObjectFromStream(part.Header, part))
if err != nil {
return err
}
}
// return nil
}
func selectMultiPart(msg *mail.Message, boundary, preferType string) (*mail.Message, error) {
reader := multipart.NewReader(msg.Body, boundary)
parts := make(map[string]*mail.Message)
for part, err := reader.NextPart(); err != io.EOF; part, err = reader.NextPart() {
if err != nil {
return nil, err
}
header := mail.Header(part.Header)
mediatype, _, err := mime.ParseMediaType(header.Get("Content-Type"))
if err != nil {
continue
}
if mediatype == preferType {
return &mail.Message{header, part}, nil
}
types := strings.Split(mediatype, "/")
if len(types) == 0 {
continue
}
if _, ok := parts[types[0]]; !ok {
body, err := ioutil.ReadAll(part)
if err == nil {
parts[types[0]] = &mail.Message{header, bytes.NewBuffer(body)}
}
}
}
types := strings.Split(preferType, "/")
if part, ok := parts[types[0]]; ok {
return part, nil
}
if part, ok := parts["multipart"]; ok {
return part, nil
}
return nil, fmt.Errorf("No prefered part")
}
// assumes base64'd
func createAttachment(content_type, fname string, body io.Reader) NNTPAttachment {
media_type, _, err := mime.ParseMediaType(content_type)
if err == nil {
a := new(nntpAttachment)
dec := base64.NewDecoder(base64.StdEncoding, body)
_, err = io.Copy(a, dec)
if err == nil {
a.header = make(textproto.MIMEHeader)
a.mime = media_type + "; charset=UTF-8"
idx := strings.LastIndex(fname, ".")
a.ext = ".txt"
if idx > 0 {
a.ext = fname[idx:]
}
a.header.Set("Content-Disposition", `form-data; filename="`+fname+`"; name="attachment"`)
a.header.Set("Content-Type", a.mime)
a.header.Set("Content-Transfer-Encoding", "base64")
h := a.Hash()
hashstr := base32.StdEncoding.EncodeToString(h[:])
a.hash = h[:]
a.filepath = hashstr + a.ext
a.filename = fname
return a
}
}
return nil
}
func (p *Part) parseContentDisposition() {
v := p.Header.Get("Content-Disposition")
p.disposition, p.dispositionParams = mime.ParseMediaType(v)
if p.dispositionParams == nil {
p.dispositionParams = emptyParams
}
}
func downloadFile(link, name string) {
var file *os.File
defer file.Close()
check := http.Client{
CheckRedirect: func(r *http.Request, via []*http.Request) error {
r.URL.Opaque = r.URL.Path
return nil
},
}
resp, err := check.Get(link)
checkErr(err)
defer resp.Body.Close()
disposition, ok := resp.Header["Content-Disposition"]
if ok {
_, params, err := mime.ParseMediaType(disposition[0])
checkErr(err)
filename := strings.Split(name, "/")[0] + "/" + params["filename"]
file, err = os.Create(filename)
checkErr(err)
} else {
file, err = os.Create(name)
checkErr(err)
}
_, err = io.Copy(file, resp.Body)
checkErr(err)
}