Dactyloidae iOS initial commit

mobile/ios/Client/Frontend/Browser/MailProviders.swift

@@ -0,0 +1,156 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import Foundation
+import Shared
+
+// mailto headers: subject, body, cc, bcc
+
+protocol MailProvider {
+    var beginningScheme: String {get set}
+    var supportedHeaders: [String] {get set}
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL?
+}
+
+private func constructEmailURLString(_ beginningURLString: String, metadata: MailToMetadata, supportedHeaders: [String], bodyHName: String = "body", toHName: String = "to") -> String {
+    var lowercasedHeaders = [String: String]()
+    metadata.headers.forEach { (hname, hvalue) in
+        lowercasedHeaders[hname.lowercased()] = hvalue
+    }
+
+    var toParam: String
+    if let toHValue = lowercasedHeaders["to"] {
+        let value = metadata.to.isEmpty ? toHValue : [metadata.to, toHValue].joined(separator: "%2C%20")
+        lowercasedHeaders.removeValue(forKey: "to")
+        toParam = "\(toHName)=\(value)"
+    } else {
+        toParam = "\(toHName)=\(metadata.to)"
+    }
+
+    var queryParams: [String] = []
+    lowercasedHeaders.forEach({ (hname, hvalue) in
+        if supportedHeaders.contains(hname) {
+            queryParams.append("\(hname)=\(hvalue)")
+        } else if hname == "body" {
+            queryParams.append("\(bodyHName)=\(hvalue)")
+        }
+    })
+    let stringParams = queryParams.joined(separator: "&")
+    let finalURLString = beginningURLString + (stringParams.isEmpty ? toParam : [toParam, stringParams].joined(separator: "&"))
+    return finalURLString
+}
+
+class ReaddleSparkIntegration: MailProvider {
+    var beginningScheme = "readdle-spark://compose?"
+    var supportedHeaders = [
+        "subject",
+        "recipient",
+        "textbody",
+        "html",
+        "cc",
+        "bcc"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders, bodyHName: "textbody", toHName: "recipient").asURL
+    }
+}
+
+class AirmailIntegration: MailProvider {
+    var beginningScheme = "airmail://compose?"
+    var supportedHeaders = [
+        "subject",
+        "from",
+        "to",
+        "cc",
+        "bcc",
+        "plainBody",
+        "htmlBody"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders, bodyHName: "htmlBody").asURL
+    }
+}
+
+class MyMailIntegration: MailProvider {
+    var beginningScheme = "mymail-mailto://?"
+    var supportedHeaders = [
+        "to",
+        "subject",
+        "body",
+        "cc",
+        "bcc"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders).asURL
+    }
+}
+
+class MailRuIntegration: MyMailIntegration {
+    override init() {
+        super.init()
+        self.beginningScheme = "mailru-mailto://?"
+    }
+}
+
+class MSOutlookIntegration: MailProvider {
+    var beginningScheme = "ms-outlook://emails/new?"
+    var supportedHeaders = [
+        "to",
+        "cc",
+        "bcc",
+        "subject",
+        "body"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders).asURL
+    }
+}
+
+class YMailIntegration: MailProvider {
+    var beginningScheme = "ymail://mail/any/compose?"
+    var supportedHeaders = [
+        "to",
+        "cc",
+        "subject",
+        "body"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders).asURL
+    }
+}
+
+class GoogleGmailIntegration: MailProvider {
+    var beginningScheme = "googlegmail:///co?"
+    var supportedHeaders = [
+        "to",
+        "cc",
+        "bcc",
+        "subject",
+        "body"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders).asURL
+    }
+}
+
+class GoogleInboxIntegration: MailProvider {
+    var beginningScheme = "inbox-gmail://co?"
+    var supportedHeaders = [
+        "to",
+        "cc",
+        "bcc",
+        "subject",
+        "body"
+    ]
+
+    func newEmailURLFromMetadata(_ metadata: MailToMetadata) -> URL? {
+        return constructEmailURLString(beginningScheme, metadata: metadata, supportedHeaders: supportedHeaders).asURL
+    }
+}