MimeTypeFromExtension() public static method

Determines MIME type from a file extension
public static MimeTypeFromExtension ( string ext ) : string
ext string The extension of the file
return string
Beispiel #1
0
        /// <summary>
        /// Write the multipart/form-data for this request for all fields except the file data to a stream
        /// </summary>
        internal void WriteFormData(string boundary, Stream outputStream)
        {
            if (!String.IsNullOrEmpty(this.Key))
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataObjectKey, this.Key, boundary);
            }

            WriteFormDatum(outputStream, S3Constants.PostFormDataAcl, this.CannedACL, boundary);

            if (this._isSetStorageClass)
            {
                WriteFormDatum(outputStream, HeaderKeys.XAmzStorageClassHeader, this.StorageClass, boundary);
            }

            if (this._isSetActionStatus)
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataStatus, ((Int32)this.SuccessActionStatus).ToString(CultureInfo.InvariantCulture), boundary);
            }

            if (!String.IsNullOrEmpty(this.SuccessActionRedirect))
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataRedirect, this.SuccessActionRedirect, boundary);
            }

            if (String.IsNullOrEmpty(this.ContentType))
            {
                if (this.Key.IndexOf('.') > -1)
                {
                    this.ContentType = AmazonS3Util.MimeTypeFromExtension(this.Key.Substring(this.Key.LastIndexOf('.')));
                }
                else if (!String.IsNullOrEmpty(this.Path) && this.Path.IndexOf('.') > -1)
                {
                    this.ContentType = AmazonS3Util.MimeTypeFromExtension(this.Key.Substring(this.Path.LastIndexOf('.')));
                }
            }

            WriteFormDatum(outputStream, S3Constants.PostFormDataContentType, this.ContentType, boundary);

            if (this.SignedPolicy != null && !string.IsNullOrEmpty(this.SignedPolicy.SecurityToken))
            {
                this.Metadata[S3Constants.PostFormDataSecurityToken] = this.SignedPolicy.SecurityToken;
            }

            foreach (var kvp in this.Metadata)
            {
                var metakey = kvp.Key.StartsWith(S3Constants.PostFormDataXAmzPrefix, StringComparison.Ordinal) ? kvp.Key : S3Constants.PostFormDataMetaPrefix + kvp.Key;
                WriteFormDatum(outputStream, metakey, kvp.Value, boundary);
            }

            if (this.SignedPolicy != null)
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataAccessKeyId, this.SignedPolicy.AccessKeyId, boundary);
                WriteFormDatum(outputStream, S3Constants.PostFormDataPolicy, this.SignedPolicy.Policy, boundary);
                WriteFormDatum(outputStream, S3Constants.PostFormDataSignature, this.SignedPolicy.Signature, boundary);
            }
        }
        /// <summary>
        /// Write the multipart/form-data for this request for all fields except the file data to a stream
        /// </summary>
        internal void WriteFormData(string boundary, Stream outputStream)
        {
            var sb = new StringBuilder();

            if (!String.IsNullOrEmpty(this.Key))
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataObjectKey, this.Key, boundary);
            }

            WriteFormDatum(outputStream, S3Constants.PostFormDataAcl, S3Constants.CannedAcls[(int)this.CannedACL], boundary);

            if (this._isSetStorageClass)
            {
                WriteFormDatum(outputStream, S3Constants.AmzStorageClassHeader, S3Constants.StorageClasses[(int)this.StorageClass], boundary);
            }

            if (this._isSetActionStatus)
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataStatus, ((Int32)this.SuccessActionStatus).ToString(), boundary);
            }

            if (!String.IsNullOrEmpty(this.SuccessActionRedirect))
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataRedirect, this.SuccessActionRedirect, boundary);
            }

            if (String.IsNullOrEmpty(this.ContentType))
            {
                if (this.Key.IndexOf('.') > -1)
                {
                    this.ContentType = AmazonS3Util.MimeTypeFromExtension(this.Key.Substring(this.Key.LastIndexOf('.')));
                }
                else if (!String.IsNullOrEmpty(this.Path) && this.Path.IndexOf('.') > -1)
                {
                    this.ContentType = AmazonS3Util.MimeTypeFromExtension(this.Key.Substring(this.Path.LastIndexOf('.')));
                }
            }

            WriteFormDatum(outputStream, S3Constants.PostFormDataContentType, this.ContentType, boundary);

            foreach (var kvp in this.Metadata)
            {
                var metakey = kvp.Key.StartsWith(S3Constants.PostFormDataXAmzPrefix) ? kvp.Key : S3Constants.PostFormDataMetaPrefix + kvp.Key;
                WriteFormDatum(outputStream, metakey, kvp.Value, boundary);
            }

            if (this.SignedPolicy != null)
            {
                WriteFormDatum(outputStream, S3Constants.PostFormDataAccessKeyId, this.SignedPolicy.AccessKeyId, boundary);
                WriteFormDatum(outputStream, S3Constants.PostFormDataPolicy, this.SignedPolicy.Policy, boundary);
                WriteFormDatum(outputStream, S3Constants.PostFormDataSignature, this.SignedPolicy.Signature, boundary);
            }
        }
Beispiel #3
0
 internal void WriteFormData(string boundary, Stream outputStream)
 {
     if (!string.IsNullOrEmpty(Key))
     {
         WriteFormDatum(outputStream, S3Constants.PostFormDataObjectKey, Key, boundary);
     }
     WriteFormDatum(outputStream, S3Constants.PostFormDataAcl, ConstantClass.op_Implicit(CannedACL), boundary);
     if (_isSetStorageClass)
     {
         WriteFormDatum(outputStream, "x-amz-storage-class", ConstantClass.op_Implicit(StorageClass), boundary);
     }
     if (_isSetActionStatus)
     {
         WriteFormDatum(outputStream, S3Constants.PostFormDataStatus, ((int)SuccessActionStatus).ToString((IFormatProvider)CultureInfo.InvariantCulture), boundary);
     }
     if (!string.IsNullOrEmpty(SuccessActionRedirect))
     {
         WriteFormDatum(outputStream, S3Constants.PostFormDataRedirect, SuccessActionRedirect, boundary);
     }
     if (string.IsNullOrEmpty(ContentType))
     {
         if (Key.IndexOf('.') > -1)
         {
             ContentType = AmazonS3Util.MimeTypeFromExtension(Key.Substring(Key.LastIndexOf('.')));
         }
         else if (!string.IsNullOrEmpty(Path) && Path.IndexOf('.') > -1)
         {
             ContentType = AmazonS3Util.MimeTypeFromExtension(Key.Substring(Path.LastIndexOf('.')));
         }
     }
     WriteFormDatum(outputStream, S3Constants.PostFormDataContentType, ContentType, boundary);
     if (SignedPolicy != null && !string.IsNullOrEmpty(SignedPolicy.SecurityToken))
     {
         Metadata[S3Constants.PostFormDataSecurityToken] = SignedPolicy.SecurityToken;
     }
     foreach (KeyValuePair <string, string> metadatum in Metadata)
     {
         string name = metadatum.Key.StartsWith(S3Constants.PostFormDataXAmzPrefix, StringComparison.Ordinal) ? metadatum.Key : (S3Constants.PostFormDataMetaPrefix + metadatum.Key);
         WriteFormDatum(outputStream, name, metadatum.Value, boundary);
     }
     if (SignedPolicy != null)
     {
         WriteFormDatum(outputStream, S3Constants.PostFormDataAccessKeyId, SignedPolicy.AccessKeyId, boundary);
         WriteFormDatum(outputStream, S3Constants.PostFormDataPolicy, SignedPolicy.Policy, boundary);
         WriteFormDatum(outputStream, S3Constants.PostFormDataSignature, SignedPolicy.Signature, boundary);
     }
 }