我想在我的iOS应用中创建RAW电子邮件。展望documentation,我需要将消息编码为MIME-Standard,但是我对该主题不太熟悉。在文档中,还有用于python和java的示例代码。
如何在SWIFT中实现这一目标?
func sendRawMail(){
let sender = "[email protected]"
let recipient = "[email protected]"
let rawMessage = AWSSESRawMessage()
// rawMessage?.data = "I guess HERE I have to put the MIME- Data?!"
let rawRequest = AWSSESSendRawEmailRequest()
rawRequest?.destinations = [recipient]
rawRequest?.source = sender
rawRequest?.rawMessage = rawMessage
AWSSES.default().sendRawEmail(rawRequest!) { (response, error) in
if let response = response{
print(response)
}
if let error = error{
print(error)
}
}
}
到目前为止,使用我的代码发送空邮件仍然有效。
经过大量阅读,我终于可以正常工作了。您需要根据MIME标准写一个大字符串。您必须将此大字符串编码为BASE64。从数据转换为BASE64字符串还需要附件。
我将发布我的代码,该代码可以发送带有.png图像的邮件。我还将测试其他文件类型,但是必须具有相同的原理。
首先,我为我的fileTypes创建了一个枚举。
enum DataTypes{
case png
case jpg
case pdf
}
现在我创建了一个函数来获取特定数据类型的字符串值
func getMIMEDataType(dataType:DataTypes) -> String{
var MIMEData = String()
switch dataType {
case .png:
MIMEData = "image/png"
case .jpg:
MIMEData = "image/jpg"
case .pdf:
MIMEData = "application/pdf"
}
return MIMEData
}
最后是发送原始邮件的功能。消息字符串中已经有变量,因此您可以灵活使用此函数。
func sendRawMail(sender:String,reciepients:[String],subject:String,message:String,attachment:Data?,dataType:DataTypes?,attachmentName:String?,completion: @escaping (_ messageCode:String?,_ error:Error?) -> ()){
let attachmentString = attachment!.base64EncodedString(options: .lineLength64Characters)
let MIMEDataType = getMIMEDataType(dataType: dataType!)
let message:String = """
Subject: \(subject)
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="XXXXboundary text"
This is a multipart message in MIME format.
--XXXXboundary text
Content-Type: text/plain
\(message)
--XXXXboundary text
Content-Type: \(MIMEDataType);
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="\(attachmentName!).\(MIMEDataType.components(separatedBy: "/")[1])"
\(attachmentString)
--XXXXboundary text--
"""
let data = message.data(using: .utf8)
let rawMessage = AWSSESRawMessage()
rawMessage?.data = data
let rawRequest = AWSSESSendRawEmailRequest()
rawRequest?.destinations = reciepients
rawRequest?.source = sender
rawRequest?.rawMessage = rawMessage
AWSSES.default().sendRawEmail(rawRequest!) { (response, error) in
if let response = response{
completion(response.messageId,nil)
}
if let error = error{
completion(nil,error)
}
}
}
您可以像这样使用它,并且可以在completionHandler中处理结果。
sendRawMail(sender: "[email protected]", reciepients: ["[email protected]"], subject: "This is a test", message: "TestMessage", attachment: attachment.data, dataType: .png, attachmentName: "testpicture") { (messageID, error) in
if let messageID = messageID{
print(messageID)
}
if let error = error{
print(error)
}
我希望它将对以后的人有所帮助:)