webmail: in message view, under More, add button to open currently displayed part (either text or html) as raw text (but decoded if in base64/quoted-printable/etc).

Author: mjl-

webmail/api.json

@@ -1000,7 +1000,7 @@
 				},
 				{
 					"Name": "Texts",
-					"Docs": "Text parts, can be empty.",
+					"Docs": "Contents of text parts, can be empty.",
 					"Typewords": [
 						"[]",
 						"string"
@@ -1020,6 +1020,23 @@
 						"nullable",
 						"MessageAddress"
 					]
+				},
+				{
+					"Name": "TextPaths",
+					"Docs": "Paths to text parts.",
+					"Typewords": [
+						"[]",
+						"[]",
+						"int32"
+					]
+				},
+				{
+					"Name": "HTMLPath",
+					"Docs": "Path to HTML part.",
+					"Typewords": [
+						"[]",
+						"int32"
+					]
 				}
 			]
 		},

webmail/api.ts

@@ -65,9 +65,11 @@ export interface ParsedMessage {
 	Part: Part
 	Headers?: { [key: string]: string[] | null }
 	ViewMode: ViewMode
-	Texts?: string[] | null  // Text parts, can be empty.
+	Texts?: string[] | null  // Contents of text parts, can be empty.
 	HasHTML: boolean  // Whether there is an HTML part. The webclient renders HTML message parts through an iframe and a separate request with strict CSP headers to prevent script execution and loading of external resources, which isn't possible when loading in iframe with inline HTML because not all browsers support the iframe csp attribute.
 	ListReplyAddress?: MessageAddress | null  // From List-Post.
+	TextPaths?: (number[] | null)[] | null  // Paths to text parts.
+	HTMLPath?: number[] | null  // Path to HTML part.
 }
 
 // Part represents a whole mail message, or a part of a multipart message. It
@@ -594,7 +596,7 @@ export const types: TypenameMap = {
 	"Filter": {"Name":"Filter","Docs":"","Fields":[{"Name":"MailboxID","Docs":"","Typewords":["int64"]},{"Name":"MailboxChildrenIncluded","Docs":"","Typewords":["bool"]},{"Name":"MailboxName","Docs":"","Typewords":["string"]},{"Name":"Words","Docs":"","Typewords":["[]","string"]},{"Name":"From","Docs":"","Typewords":["[]","string"]},{"Name":"To","Docs":"","Typewords":["[]","string"]},{"Name":"Oldest","Docs":"","Typewords":["nullable","timestamp"]},{"Name":"Newest","Docs":"","Typewords":["nullable","timestamp"]},{"Name":"Subject","Docs":"","Typewords":["[]","string"]},{"Name":"Attachments","Docs":"","Typewords":["AttachmentType"]},{"Name":"Labels","Docs":"","Typewords":["[]","string"]},{"Name":"Headers","Docs":"","Typewords":["[]","[]","string"]},{"Name":"SizeMin","Docs":"","Typewords":["int64"]},{"Name":"SizeMax","Docs":"","Typewords":["int64"]}]},
 	"NotFilter": {"Name":"NotFilter","Docs":"","Fields":[{"Name":"Words","Docs":"","Typewords":["[]","string"]},{"Name":"From","Docs":"","Typewords":["[]","string"]},{"Name":"To","Docs":"","Typewords":["[]","string"]},{"Name":"Subject","Docs":"","Typewords":["[]","string"]},{"Name":"Attachments","Docs":"","Typewords":["AttachmentType"]},{"Name":"Labels","Docs":"","Typewords":["[]","string"]}]},
 	"Page": {"Name":"Page","Docs":"","Fields":[{"Name":"AnchorMessageID","Docs":"","Typewords":["int64"]},{"Name":"Count","Docs":"","Typewords":["int32"]},{"Name":"DestMessageID","Docs":"","Typewords":["int64"]}]},
-	"ParsedMessage": {"Name":"ParsedMessage","Docs":"","Fields":[{"Name":"ID","Docs":"","Typewords":["int64"]},{"Name":"Part","Docs":"","Typewords":["Part"]},{"Name":"Headers","Docs":"","Typewords":["{}","[]","string"]},{"Name":"ViewMode","Docs":"","Typewords":["ViewMode"]},{"Name":"Texts","Docs":"","Typewords":["[]","string"]},{"Name":"HasHTML","Docs":"","Typewords":["bool"]},{"Name":"ListReplyAddress","Docs":"","Typewords":["nullable","MessageAddress"]}]},
+	"ParsedMessage": {"Name":"ParsedMessage","Docs":"","Fields":[{"Name":"ID","Docs":"","Typewords":["int64"]},{"Name":"Part","Docs":"","Typewords":["Part"]},{"Name":"Headers","Docs":"","Typewords":["{}","[]","string"]},{"Name":"ViewMode","Docs":"","Typewords":["ViewMode"]},{"Name":"Texts","Docs":"","Typewords":["[]","string"]},{"Name":"HasHTML","Docs":"","Typewords":["bool"]},{"Name":"ListReplyAddress","Docs":"","Typewords":["nullable","MessageAddress"]},{"Name":"TextPaths","Docs":"","Typewords":["[]","[]","int32"]},{"Name":"HTMLPath","Docs":"","Typewords":["[]","int32"]}]},
 	"Part": {"Name":"Part","Docs":"","Fields":[{"Name":"BoundaryOffset","Docs":"","Typewords":["int64"]},{"Name":"HeaderOffset","Docs":"","Typewords":["int64"]},{"Name":"BodyOffset","Docs":"","Typewords":["int64"]},{"Name":"EndOffset","Docs":"","Typewords":["int64"]},{"Name":"RawLineCount","Docs":"","Typewords":["int64"]},{"Name":"DecodedSize","Docs":"","Typewords":["int64"]},{"Name":"MediaType","Docs":"","Typewords":["string"]},{"Name":"MediaSubType","Docs":"","Typewords":["string"]},{"Name":"ContentTypeParams","Docs":"","Typewords":["{}","string"]},{"Name":"ContentID","Docs":"","Typewords":["string"]},{"Name":"ContentDescription","Docs":"","Typewords":["string"]},{"Name":"ContentTransferEncoding","Docs":"","Typewords":["string"]},{"Name":"Envelope","Docs":"","Typewords":["nullable","Envelope"]},{"Name":"Parts","Docs":"","Typewords":["[]","Part"]},{"Name":"Message","Docs":"","Typewords":["nullable","Part"]}]},
 	"Envelope": {"Name":"Envelope","Docs":"","Fields":[{"Name":"Date","Docs":"","Typewords":["timestamp"]},{"Name":"Subject","Docs":"","Typewords":["string"]},{"Name":"From","Docs":"","Typewords":["[]","Address"]},{"Name":"Sender","Docs":"","Typewords":["[]","Address"]},{"Name":"ReplyTo","Docs":"","Typewords":["[]","Address"]},{"Name":"To","Docs":"","Typewords":["[]","Address"]},{"Name":"CC","Docs":"","Typewords":["[]","Address"]},{"Name":"BCC","Docs":"","Typewords":["[]","Address"]},{"Name":"InReplyTo","Docs":"","Typewords":["string"]},{"Name":"MessageID","Docs":"","Typewords":["string"]}]},
 	"Address": {"Name":"Address","Docs":"","Fields":[{"Name":"Name","Docs":"","Typewords":["string"]},{"Name":"User","Docs":"","Typewords":["string"]},{"Name":"Host","Docs":"","Typewords":["string"]}]},

webmail/message.go

@@ -313,6 +313,7 @@ func parsedMessage(log mlog.Log, m store.Message, state *msgState, full, msgitem
 					return
 				}
 				pm.Texts = append(pm.Texts, string(buf))
+				pm.TextPaths = append(pm.TextPaths, append([]int{}, path...))
 			}
 			if msgitem && pm.firstLine == "" {
 				pm.firstLine, rerr = formatFirstLine(p.ReaderUTF8OrBinary())
@@ -324,6 +325,9 @@ func parsedMessage(log mlog.Log, m store.Message, state *msgState, full, msgitem
 
 		case "TEXT/HTML":
 			pm.HasHTML = true
+			if full && pm.HTMLPath == nil {
+				pm.HTMLPath = append([]int{}, path...)
+			}
 
 		default:
 			// todo: see if there is a common nesting messages that are both signed and encrypted.
@@ -349,6 +353,7 @@ func parsedMessage(log mlog.Log, m store.Message, state *msgState, full, msgitem
 							return
 						}
 						pm.Texts = append(pm.Texts, string(buf))
+						pm.TextPaths = append(pm.TextPaths, append([]int{}, path...))
 					}
 					return
 				}
@@ -360,6 +365,7 @@ func parsedMessage(log mlog.Log, m store.Message, state *msgState, full, msgitem
 							return
 						}
 						pm.Texts = append(pm.Texts, string(buf))
+						pm.TextPaths = append(pm.TextPaths, append([]int{}, path...))
 					}
 					return
 				}

webmail/msg.js

@@ -298,7 +298,7 @@ var api;
 		"Filter": { "Name": "Filter", "Docs": "", "Fields": [{ "Name": "MailboxID", "Docs": "", "Typewords": ["int64"] }, { "Name": "MailboxChildrenIncluded", "Docs": "", "Typewords": ["bool"] }, { "Name": "MailboxName", "Docs": "", "Typewords": ["string"] }, { "Name": "Words", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "From", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "To", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Oldest", "Docs": "", "Typewords": ["nullable", "timestamp"] }, { "Name": "Newest", "Docs": "", "Typewords": ["nullable", "timestamp"] }, { "Name": "Subject", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Attachments", "Docs": "", "Typewords": ["AttachmentType"] }, { "Name": "Labels", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Headers", "Docs": "", "Typewords": ["[]", "[]", "string"] }, { "Name": "SizeMin", "Docs": "", "Typewords": ["int64"] }, { "Name": "SizeMax", "Docs": "", "Typewords": ["int64"] }] },
 		"NotFilter": { "Name": "NotFilter", "Docs": "", "Fields": [{ "Name": "Words", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "From", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "To", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Subject", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Attachments", "Docs": "", "Typewords": ["AttachmentType"] }, { "Name": "Labels", "Docs": "", "Typewords": ["[]", "string"] }] },
 		"Page": { "Name": "Page", "Docs": "", "Fields": [{ "Name": "AnchorMessageID", "Docs": "", "Typewords": ["int64"] }, { "Name": "Count", "Docs": "", "Typewords": ["int32"] }, { "Name": "DestMessageID", "Docs": "", "Typewords": ["int64"] }] },
-		"ParsedMessage": { "Name": "ParsedMessage", "Docs": "", "Fields": [{ "Name": "ID", "Docs": "", "Typewords": ["int64"] }, { "Name": "Part", "Docs": "", "Typewords": ["Part"] }, { "Name": "Headers", "Docs": "", "Typewords": ["{}", "[]", "string"] }, { "Name": "ViewMode", "Docs": "", "Typewords": ["ViewMode"] }, { "Name": "Texts", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "HasHTML", "Docs": "", "Typewords": ["bool"] }, { "Name": "ListReplyAddress", "Docs": "", "Typewords": ["nullable", "MessageAddress"] }] },
+		"ParsedMessage": { "Name": "ParsedMessage", "Docs": "", "Fields": [{ "Name": "ID", "Docs": "", "Typewords": ["int64"] }, { "Name": "Part", "Docs": "", "Typewords": ["Part"] }, { "Name": "Headers", "Docs": "", "Typewords": ["{}", "[]", "string"] }, { "Name": "ViewMode", "Docs": "", "Typewords": ["ViewMode"] }, { "Name": "Texts", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "HasHTML", "Docs": "", "Typewords": ["bool"] }, { "Name": "ListReplyAddress", "Docs": "", "Typewords": ["nullable", "MessageAddress"] }, { "Name": "TextPaths", "Docs": "", "Typewords": ["[]", "[]", "int32"] }, { "Name": "HTMLPath", "Docs": "", "Typewords": ["[]", "int32"] }] },
 		"Part": { "Name": "Part", "Docs": "", "Fields": [{ "Name": "BoundaryOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "HeaderOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "BodyOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "EndOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "RawLineCount", "Docs": "", "Typewords": ["int64"] }, { "Name": "DecodedSize", "Docs": "", "Typewords": ["int64"] }, { "Name": "MediaType", "Docs": "", "Typewords": ["string"] }, { "Name": "MediaSubType", "Docs": "", "Typewords": ["string"] }, { "Name": "ContentTypeParams", "Docs": "", "Typewords": ["{}", "string"] }, { "Name": "ContentID", "Docs": "", "Typewords": ["string"] }, { "Name": "ContentDescription", "Docs": "", "Typewords": ["string"] }, { "Name": "ContentTransferEncoding", "Docs": "", "Typewords": ["string"] }, { "Name": "Envelope", "Docs": "", "Typewords": ["nullable", "Envelope"] }, { "Name": "Parts", "Docs": "", "Typewords": ["[]", "Part"] }, { "Name": "Message", "Docs": "", "Typewords": ["nullable", "Part"] }] },
 		"Envelope": { "Name": "Envelope", "Docs": "", "Fields": [{ "Name": "Date", "Docs": "", "Typewords": ["timestamp"] }, { "Name": "Subject", "Docs": "", "Typewords": ["string"] }, { "Name": "From", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "Sender", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "ReplyTo", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "To", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "CC", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "BCC", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "InReplyTo", "Docs": "", "Typewords": ["string"] }, { "Name": "MessageID", "Docs": "", "Typewords": ["string"] }] },
 		"Address": { "Name": "Address", "Docs": "", "Fields": [{ "Name": "Name", "Docs": "", "Typewords": ["string"] }, { "Name": "User", "Docs": "", "Typewords": ["string"] }, { "Name": "Host", "Docs": "", "Typewords": ["string"] }] },

webmail/text.js

@@ -298,7 +298,7 @@ var api;
 		"Filter": { "Name": "Filter", "Docs": "", "Fields": [{ "Name": "MailboxID", "Docs": "", "Typewords": ["int64"] }, { "Name": "MailboxChildrenIncluded", "Docs": "", "Typewords": ["bool"] }, { "Name": "MailboxName", "Docs": "", "Typewords": ["string"] }, { "Name": "Words", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "From", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "To", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Oldest", "Docs": "", "Typewords": ["nullable", "timestamp"] }, { "Name": "Newest", "Docs": "", "Typewords": ["nullable", "timestamp"] }, { "Name": "Subject", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Attachments", "Docs": "", "Typewords": ["AttachmentType"] }, { "Name": "Labels", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Headers", "Docs": "", "Typewords": ["[]", "[]", "string"] }, { "Name": "SizeMin", "Docs": "", "Typewords": ["int64"] }, { "Name": "SizeMax", "Docs": "", "Typewords": ["int64"] }] },
 		"NotFilter": { "Name": "NotFilter", "Docs": "", "Fields": [{ "Name": "Words", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "From", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "To", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Subject", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "Attachments", "Docs": "", "Typewords": ["AttachmentType"] }, { "Name": "Labels", "Docs": "", "Typewords": ["[]", "string"] }] },
 		"Page": { "Name": "Page", "Docs": "", "Fields": [{ "Name": "AnchorMessageID", "Docs": "", "Typewords": ["int64"] }, { "Name": "Count", "Docs": "", "Typewords": ["int32"] }, { "Name": "DestMessageID", "Docs": "", "Typewords": ["int64"] }] },
-		"ParsedMessage": { "Name": "ParsedMessage", "Docs": "", "Fields": [{ "Name": "ID", "Docs": "", "Typewords": ["int64"] }, { "Name": "Part", "Docs": "", "Typewords": ["Part"] }, { "Name": "Headers", "Docs": "", "Typewords": ["{}", "[]", "string"] }, { "Name": "ViewMode", "Docs": "", "Typewords": ["ViewMode"] }, { "Name": "Texts", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "HasHTML", "Docs": "", "Typewords": ["bool"] }, { "Name": "ListReplyAddress", "Docs": "", "Typewords": ["nullable", "MessageAddress"] }] },
+		"ParsedMessage": { "Name": "ParsedMessage", "Docs": "", "Fields": [{ "Name": "ID", "Docs": "", "Typewords": ["int64"] }, { "Name": "Part", "Docs": "", "Typewords": ["Part"] }, { "Name": "Headers", "Docs": "", "Typewords": ["{}", "[]", "string"] }, { "Name": "ViewMode", "Docs": "", "Typewords": ["ViewMode"] }, { "Name": "Texts", "Docs": "", "Typewords": ["[]", "string"] }, { "Name": "HasHTML", "Docs": "", "Typewords": ["bool"] }, { "Name": "ListReplyAddress", "Docs": "", "Typewords": ["nullable", "MessageAddress"] }, { "Name": "TextPaths", "Docs": "", "Typewords": ["[]", "[]", "int32"] }, { "Name": "HTMLPath", "Docs": "", "Typewords": ["[]", "int32"] }] },
 		"Part": { "Name": "Part", "Docs": "", "Fields": [{ "Name": "BoundaryOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "HeaderOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "BodyOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "EndOffset", "Docs": "", "Typewords": ["int64"] }, { "Name": "RawLineCount", "Docs": "", "Typewords": ["int64"] }, { "Name": "DecodedSize", "Docs": "", "Typewords": ["int64"] }, { "Name": "MediaType", "Docs": "", "Typewords": ["string"] }, { "Name": "MediaSubType", "Docs": "", "Typewords": ["string"] }, { "Name": "ContentTypeParams", "Docs": "", "Typewords": ["{}", "string"] }, { "Name": "ContentID", "Docs": "", "Typewords": ["string"] }, { "Name": "ContentDescription", "Docs": "", "Typewords": ["string"] }, { "Name": "ContentTransferEncoding", "Docs": "", "Typewords": ["string"] }, { "Name": "Envelope", "Docs": "", "Typewords": ["nullable", "Envelope"] }, { "Name": "Parts", "Docs": "", "Typewords": ["[]", "Part"] }, { "Name": "Message", "Docs": "", "Typewords": ["nullable", "Part"] }] },
 		"Envelope": { "Name": "Envelope", "Docs": "", "Fields": [{ "Name": "Date", "Docs": "", "Typewords": ["timestamp"] }, { "Name": "Subject", "Docs": "", "Typewords": ["string"] }, { "Name": "From", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "Sender", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "ReplyTo", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "To", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "CC", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "BCC", "Docs": "", "Typewords": ["[]", "Address"] }, { "Name": "InReplyTo", "Docs": "", "Typewords": ["string"] }, { "Name": "MessageID", "Docs": "", "Typewords": ["string"] }] },
 		"Address": { "Name": "Address", "Docs": "", "Fields": [{ "Name": "Name", "Docs": "", "Typewords": ["string"] }, { "Name": "User", "Docs": "", "Typewords": ["string"] }, { "Name": "Host", "Docs": "", "Typewords": ["string"] }] },

webmail/view.go

@@ -186,8 +186,7 @@ type ParsedMessage struct {
 	Headers  map[string][]string
 	ViewMode store.ViewMode
 
-	// Text parts, can be empty.
-	Texts []string
+	Texts []string // Contents of text parts, can be empty.
 
 	// Whether there is an HTML part. The webclient renders HTML message parts through
 	// an iframe and a separate request with strict CSP headers to prevent script
@@ -198,6 +197,9 @@ type ParsedMessage struct {
 
 	ListReplyAddress *MessageAddress // From List-Post.
 
+	TextPaths [][]int // Paths to text parts.
+	HTMLPath  []int   // Path to HTML part.
+
 	// Information used by MessageItem, not exported in this type.
 	envelope    MessageEnvelope
 	attachments []Attachment