Class: Vmail::ImapClient
- Inherits:
-
Object
- Object
- Vmail::ImapClient
- Defined in:
- lib/vmail/imap_client.rb
Constant Summary collapse
- MailboxAliases =
{ 'sent' => '[Gmail]/Sent Mail', 'all' => '[Gmail]/All Mail', 'starred' => '[Gmail]/Starred', 'important' => '[Gmail]/Important', 'drafts' => '[Gmail]/Drafts', 'spam' => '[Gmail]/Spam', 'trash' => '[Gmail]/Trash' }
- UNITS =
[:b, :kb, :mb, :gb].freeze
- FLAGMAP =
{:Flagged => '[*]'}
Class Method Summary collapse
Instance Method Summary collapse
- #add_more_message_line(res, start_id) ⇒ Object
- #address_to_string(x) ⇒ Object
- #append_to_file(file, id_set) ⇒ Object
- #close ⇒ Object
- #copy_to(id_set, mailbox) ⇒ Object
- #create_if_necessary(mailbox) ⇒ Object
- #deliver(text) ⇒ Object
-
#fetch_envelopes(id_set) ⇒ Object
id_set may be a range, array, or string.
-
#flag(id_set, action, flg) ⇒ Object
id_set is a string comming from the vim client action is -FLAGS or +FLAGS.
-
#format_flags(flags) ⇒ Object
flags is an array like [:Flagged, :Seen].
- #format_headers(hash) ⇒ Object
- #format_list_row(fetch_data, max_id = nil) ⇒ Object
- #format_parts_info(parts) ⇒ Object
- #forward_template(id) ⇒ Object
- #get_highest_message_id ⇒ Object
- #get_mailbox_status ⇒ Object
- #handle_error(error) ⇒ Object
-
#initialize(config) ⇒ ImapClient
constructor
A new instance of ImapClient.
- #list_mailboxes ⇒ Object
- #log(string) ⇒ Object
-
#mailboxes ⇒ Object
called internally, not by vim client.
-
#more_messages(message_id, limit = 100) ⇒ Object
gets 100 messages prior to id.
- #move_to(id_set, mailbox) ⇒ Object
- #new_mail_from_input(text) ⇒ Object
- #new_message_template ⇒ Object
-
#number_to_human_size(number) ⇒ Object
borrowed from ActionView/Helpers.
- #open ⇒ Object
- #open_html_part(id) ⇒ Object
- #prime_connection ⇒ Object
- #reconnect_if_necessary(timeout = 60, &block) ⇒ Object
- #reply_template(id, replyall = false) ⇒ Object
-
#resume_draft ⇒ Object
TODO.
- #revive_connection ⇒ Object
- #save_attachments(dir) ⇒ Object
- #save_draft(text) ⇒ Object
- #search(limit, *query) ⇒ Object
- #select_mailbox(mailbox, force = false) ⇒ Object
- #show_message(id, raw = false, forwarded = false) ⇒ Object
- #signature ⇒ Object
- #smtp_settings ⇒ Object
- #update ⇒ Object
- #window_width=(width) ⇒ Object
Constructor Details
#initialize(config) ⇒ ImapClient
Returns a new instance of ImapClient.
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# File 'lib/vmail/imap_client.rb', line 22 def initialize(config) @username, @password = config['username'], config['password'] @name = config['name'] @signature = config['signature'] @mailbox = nil @logger = Logger.new(config['logfile'] || STDERR) @logger.level = Logger::DEBUG @current_mail = nil @current_id = nil end |
Class Method Details
.daemon(config) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 636 def self.daemon(config) $gmail = self.start(config) DRb.start_service(nil, $gmail) uri = DRb.uri puts "starting gmail service at #{uri}" uri end |
.start(config) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 630 def self.start(config) imap_client = Vmail::ImapClient.new config imap_client.open imap_client end |
Instance Method Details
#add_more_message_line(res, start_id) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 288 def (res, start_id) log "add_more_message_line for start_id #{start_id}" if @all_search return res if start_id.nil? if start_id <= 1 return res end remaining = start_id - 1 else # filter search remaining = @ids.index(start_id) - 1 end if remaining < 1 log "none remaining" return res end log "remaining messages: #{remaining}" "> Load #{[100, remaining].min} more messages. #{remaining} remaining.\n" + res end |
#address_to_string(x) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 470 def address_to_string(x) x.name ? "#{x.name} <#{x.mailbox}@#{x.host}>" : "#{x.mailbox}@#{x.host}" end |
#append_to_file(file, id_set) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 412 def append_to_file(file, id_set) if id_set.is_a?(String) id_set = id_set.split(",").map(&:to_i) end log "append messages to file: #{file}" id_set.each do |id| = (id) divider = "#{'=' * 39}\n" File.open(file, 'a') {|f| f.puts(divider + + "\n\n")} log "appended id #{id}" end "printed #{id_set.size} message#{id_set.size == 1 ? '' : 's'} to #{file.strip}" end |
#close ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 38 def close log "closing connection" @imap.close rescue Net::IMAP::BadResponseError @imap.disconnect end |
#copy_to(id_set, mailbox) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 390 def copy_to(id_set, mailbox) if MailboxAliases[mailbox] mailbox = MailboxAliases[mailbox] end create_if_necessary mailbox log "copy #{id_set.inspect} #{mailbox}" if id_set.is_a?(String) id_set = id_set.split(",").map(&:to_i) end log @imap.copy(id_set, mailbox) end |
#create_if_necessary(mailbox) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 402 def create_if_necessary(mailbox) current_mailboxes = mailboxes.map {|m| MailboxAliases[m] || m} if !current_mailboxes.include?(mailbox) log "current mailboxes: #{current_mailboxes.inspect}" log "creating mailbox #{mailbox}" log @imap.create(mailbox) mailboxes = nil # force reload next fime list_mailboxes() called end end |
#deliver(text) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 486 def deliver(text) # parse the text. The headers are yaml. The rest is text body. require 'net/smtp' prime_connection mail = new_mail_from_input(text) mail.delivery_method(*smtp_settings) log mail.deliver! "message '#{mail.subject}' sent" end |
#fetch_envelopes(id_set) ⇒ Object
id_set may be a range, array, or string
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# File 'lib/vmail/imap_client.rb', line 111 def fetch_envelopes(id_set) log "fetch_envelopes: #{id_set.inspect}" if id_set.is_a?(String) id_set = id_set.split(',') end max_id = id_set.to_a[-1] if id_set.to_a.empty? log "empty set" return "" end results = reconnect_if_necessary do @imap.fetch(id_set, ["FLAGS", "ENVELOPE", "RFC822.SIZE" ]) end log "extracting headers" lines = results. sort_by {|x| begin Time.parse(x.attr['ENVELOPE'].date) rescue ArgumentError Time.now end }. map {|x| format_list_row(x, max_id)} log "returning result" return lines.join("\n") end |
#flag(id_set, action, flg) ⇒ Object
id_set is a string comming from the vim client action is -FLAGS or +FLAGS
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# File 'lib/vmail/imap_client.rb', line 347 def flag(id_set, action, flg) if id_set.is_a?(String) id_set = id_set.split(",").map(&:to_i) end # #<struct Net::IMAP::FetchData seqno=17423, attr={"FLAGS"=>[:Seen, "Flagged"], "UID"=>83113}> log "flag #{id_set} #{flg} #{action}" if flg == 'Deleted' # for delete, do in a separate thread because deletions are slow Thread.new do unless @mailbox == '[Gmail]/Trash' @imap.copy(id_set, "[Gmail]/Trash") end res = @imap.store(id_set, action, [flg.to_sym]) end id_set.each { |id| @all_ids.delete(id) } elsif flg == '[Gmail]/Spam' @imap.copy(id_set, "[Gmail]/Spam") res = @imap.store(id_set, action, [:Deleted]) "#{id} deleted" else log "Flagging" res = @imap.store(id_set, action, [flg.to_sym]) # log res.inspect fetch_envelopes(id_set) end end |
#format_flags(flags) ⇒ Object
flags is an array like [:Flagged, :Seen]
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# File 'lib/vmail/imap_client.rb', line 206 def format_flags(flags) flags = flags.map {|flag| FLAGMAP[flag] || flag} if flags.delete(:Seen).nil? flags << '[+]' # unread end flags.join('') end |
#format_headers(hash) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 435 def format_headers(hash) lines = [] hash.each_pair do |key, value| if value.is_a?(Array) value = value.join(", ") end lines << "#{key.gsub("_", '-')}: #{value}" end lines.join("\n") end |
#format_list_row(fetch_data, max_id = nil) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 138 def format_list_row(fetch_data, max_id=nil) id = fetch_data.seqno envelope = fetch_data.attr["ENVELOPE"] size = fetch_data.attr["RFC822.SIZE"] flags = fetch_data.attr["FLAGS"] address_struct = if @mailbox == '[Gmail]/Sent Mail' structs = envelope.to || envelope.cc structs.nil? ? nil : structs.first else envelope.from.first end address = if address_struct.nil? "unknown" elsif address_struct.name "#{Mail::Encodings.unquote_and_convert_to(address_struct.name, 'UTF-8')} <#{[address_struct.mailbox, address_struct.host].join('@')}>" else [Mail::Encodings.unquote_and_convert_to(address_struct.mailbox, 'UTF-8'), Mail::Encodings.unquote_and_convert_to(address_struct.host, 'UTF-8')].join('@') end if @mailbox == '[Gmail]/Sent Mail' && envelope.to && envelope.cc total_recips = (envelope.to + envelope.cc).size address += " + #{total_recips - 1}" end date = begin Time.parse(envelope.date).localtime rescue ArgumentError Time.now end date_formatted = if date.year != Time.now.year date.strftime "%b %d %Y" rescue envelope.date.to_s else date.strftime "%b %d %I:%M%P" rescue envelope.date.to_s end subject = envelope.subject || '' subject = Mail::Encodings.unquote_and_convert_to(subject, 'UTF-8') flags = format_flags(flags) first_col_width = max_id.to_s.length mid_width = @width - (first_col_width + 33) address_col_width = (mid_width * 0.3).ceil subject_col_width = (mid_width * 0.7).floor [id.to_s.col(first_col_width), (date_formatted || '').col(14), address.col(address_col_width), subject.col(subject_col_width), number_to_human_size(size).rcol(6), flags.rcol(7)].join(' ') rescue "#{id.to_s} : error extracting this header" end |
#format_parts_info(parts) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 338 def format_parts_info(parts) lines = parts.select {|part| part !~ %r{text/plain}} if lines.size > 0 "\n#{lines.join("\n")}" end end |
#forward_template(id) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 479 def forward_template(id) original_body = (id, false, true) + "\n---------- Forwarded message ----------\n" + original_body + signature end |
#get_highest_message_id ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 61 def # get highest message ID res = @imap.fetch([1,"*"], ["ENVELOPE"]) @num_messages = res[-1].seqno log "HIGHEST ID: #@num_messages" end |
#get_mailbox_status ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 68 def get_mailbox_status @status = @imap.status(@mailbox, ["MESSAGES", "RECENT", "UNSEEN"]) log "mailbox status: #{@status.inspect}" end |
#handle_error(error) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 609 def handle_error(error) log error end |
#list_mailboxes ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 92 def list_mailboxes @mailboxes ||= (@imap.list("[Gmail]/", "%") + @imap.list("", "%")). select {|struct| struct.attr.none? {|a| a == :Noselect} }. map {|struct| struct.name}. map {|name| MailboxAliases.invert[name] || name} @mailboxes.delete("INBOX") @mailboxes.unshift("INBOX") @mailboxes.join("\n") end |
#log(string) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 605 def log(string) @logger.debug string end |
#mailboxes ⇒ Object
called internally, not by vim client
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# File 'lib/vmail/imap_client.rb', line 103 def mailboxes if @mailboxes.nil? list_mailboxes end @mailboxes end |
#more_messages(message_id, limit = 100) ⇒ Object
gets 100 messages prior to id
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# File 'lib/vmail/imap_client.rb', line 269 def (, limit=100) log "more_messages: message_id #{}" = .to_i if @all_search x = [( - limit), 0].max y = [ - 1, 0].max res = fetch_envelopes((x..y)) (res, x) else # filter search query log "@start_index #@start_index" x = [(@start_index - limit), 0].max y = [@start_index - 1, 0].max @start_index = x res = fetch_envelopes(@ids[x..y]) (res, @ids[x]) end end |
#move_to(id_set, mailbox) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 374 def move_to(id_set, mailbox) if mailbox == 'all' log "archiving messages" end if MailboxAliases[mailbox] mailbox = MailboxAliases[mailbox] end create_if_necessary mailbox if id_set.is_a?(String) id_set = id_set.split(",").map(&:to_i) end log "move_to #{id_set.inspect} #{mailbox}" log @imap.copy(id_set, mailbox) log @imap.store(id_set, '+FLAGS', [:Deleted]) end |
#new_mail_from_input(text) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 513 def new_mail_from_input(text) require 'mail' mail = Mail.new raw_headers, raw_body = *text.split(/\n\s*\n/, 2) headers = {} raw_headers.split("\n").each do |line| key, value = *line.split(/:\s*/, 2) headers[key] = value end log "headers: #{headers.inspect}" log "delivering: #{headers.inspect}" mail.from = headers['from'] || @username mail.to = headers['to'] #.split(/,\s+/) mail.cc = headers['cc'] #&& headers['cc'].split(/,\s+/) mail.bcc = headers['bcc'] #&& headers['cc'].split(/,\s+/) mail.subject = headers['subject'] mail.from ||= @username # attachments are added as a snippet of YAML after a blank line # after the headers, and followed by a blank line if ( = raw_body.split(/\n\s*\n/, 2)[0]) =~ /^attach(ment|ments)*:/ # TODO files = YAML::load().values.flatten log "attach: #{files}" files.each do |file| if File.directory?(file) Dir.glob("#{file}/*").each {|f| mail.add_file(f) if File.size?(f)} else mail.add_file(file) if File.size?(file) end end mail.text_part do body raw_body.split(/\n\s*\n/, 2)[1] end else mail.text_part do body raw_body end end mail end |
#new_message_template ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 427 def headers = {'from' => "#{@name} <#{@username}>", 'to' => nil, 'subject' => nil } format_headers(headers) + "\n\n" + signature end |
#number_to_human_size(number) ⇒ Object
borrowed from ActionView/Helpers
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# File 'lib/vmail/imap_client.rb', line 191 def number_to_human_size(number) if number.to_i < 1024 "#{number} b" else max_exp = UNITS.size - 1 exponent = (Math.log(number) / Math.log(1024)).to_i # Convert to base 1024 exponent = max_exp if exponent > max_exp # we need this to avoid overflow for the highest unit number /= 1024 ** exponent unit = UNITS[exponent] "#{number} #{unit}" end end |
#open ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 33 def open @imap = Net::IMAP.new('imap.gmail.com', 993, true, nil, false) @imap.login(@username, @password) end |
#open_html_part(id) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 572 def open_html_part(id) log "open_html_part #{id}" log @current_mail.parts.inspect multipart = @current_mail.parts.detect {|part| part.multipart?} html_part = if multipart multipart.parts.detect {|part| part.header["Content-Type"].to_s =~ /text\/html/} elsif ! @current_mail.parts.empty? @current_mail.parts.detect {|part| part.header["Content-Type"].to_s =~ /text\/html/} else @current_mail.body end return if html_part.nil? outfile = 'vmail-htmlpart.html' File.open(outfile, 'w') {|f| f.puts(html_part.decoded)} # client should handle opening the html file return outfile end |
#prime_connection ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 80 def prime_connection reconnect_if_necessary(4) do # this is just to prime the IMAP connection # It's necessary for some reason before update and deliver. log "priming connection for delivering" res = @imap.fetch(@ids[-1], ["ENVELOPE"]) if res.nil? raise IOError, "IMAP connection seems broken" end end end |
#reconnect_if_necessary(timeout = 60, &block) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 613 def reconnect_if_necessary(timeout = 60, &block) # if this times out, we know the connection is stale while the user is # trying to update Timeout::timeout(timeout) do block.call end rescue IOError, Errno::EADDRNOTAVAIL, Timeout::Error log "error: #{$!}" log "attempting to reconnect" log(revive_connection) # try just once block.call rescue log "error: #{$!}" raise end |
#reply_template(id, replyall = false) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 446 def reply_template(id, replyall=false) log "sending reply template for #{id}" fetch_data = @imap.fetch(id.to_i, ["FLAGS", "ENVELOPE", "RFC822"])[0] envelope = fetch_data.attr['ENVELOPE'] recipient = [envelope.reply_to, envelope.from].flatten.map {|x| address_to_string(x)}[0] cc = [envelope.to, envelope.cc] cc = cc.flatten.compact. select {|x| @username !~ /#{x.mailbox}@#{x.host}/}. map {|x| address_to_string(x)}.join(", ") mail = Mail.new fetch_data.attr['RFC822'] formatter = Vmail::MessageFormatter.new(mail) headers = formatter.extract_headers subject = headers['subject'] if subject !~ /Re: / subject = "Re: #{subject}" end cc = replyall ? cc : nil date = headers['date'].is_a?(String) ? Time.parse(headers['date']) : headers['date'] quote_header = "On #{date.strftime('%a, %b %d, %Y at %I:%M %p')}, #{address_to_string(envelope.from[0])} wrote:\n\n" body = quote_header + formatter.process_body.gsub(/^(?=>)/, ">").gsub(/^(?!>)/, "> ") reply_headers = { 'from' => "#@name <#@username>", 'to' => recipient, 'cc' => cc, 'subject' => subject} format_headers(reply_headers) + "\n\n\n" + body + signature end |
#resume_draft ⇒ Object
TODO
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# File 'lib/vmail/imap_client.rb', line 506 def resume_draft # chop off top three lines (this is hackey, fix later) # text = text.split("\n")[3..-1].join("\n") # delete date: field # text = text.sub("^date:\s*$", "") end |
#revive_connection ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 73 def revive_connection log "reviving connection" open log "reselecting mailbox #@mailbox" @imap.select(@mailbox) end |
#save_attachments(dir) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 555 def (dir) log "save_attachments #{dir}" if !@current_mail log "missing a current message" end return unless dir && @current_mail = @current_mail. `mkdir -p #{dir}` saved = .map do |x| path = File.join(dir, x.filename) log "saving #{path}" File.open(path, 'wb') {|f| f.puts x.decoded} path end "saved:\n" + saved.map {|x| "- #{x}"}.join("\n") end |
#save_draft(text) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 496 def save_draft(text) mail = new_mail_from_input(text) log "saving draft" reconnect_if_necessary do log "saving draft" log @imap.append("[Gmail]/Drafts", text.gsub(/\n/, "\r\n"), [:Seen], Time.now) end end |
#search(limit, *query) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 214 def search(limit, *query) limit = limit.to_i limit = 100 if limit.to_s !~ /^\d+$/ query = ['ALL'] if query.empty? if query.size == 1 && query[0].downcase == 'all' # form a sequence range query.unshift [[@num_messages - limit.to_i + 1 , 1].max, @num_messages].join(':') @all_search = true else # this is a special query search # set the target range to the whole set query.unshift "1:#@num_messages" @all_search = false end log "@all_search #{@all_search}" @query = query log "search query: #@query.inspect" @ids = reconnect_if_necessary do @imap.search(@query.join(' ')) end # save ids in @ids, because filtered search relies on it fetch_ids = if @all_search @ids else #filtered search @start_index = [@ids.length - limit, 0].max @ids[@start_index..-1] end log "search query result: #{fetch_ids.inspect}" res = fetch_envelopes(fetch_ids) (res, fetch_ids[0]) end |
#select_mailbox(mailbox, force = false) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 44 def select_mailbox(mailbox, force=false) if MailboxAliases[mailbox] mailbox = MailboxAliases[mailbox] end if mailbox == @mailbox && !force return end log "selecting mailbox #{mailbox.inspect}" reconnect_if_necessary do log @imap.select(mailbox) end @mailbox = mailbox get_mailbox_status return "OK" end |
#show_message(id, raw = false, forwarded = false) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 307 def (id, raw=false, forwarded=false) id = id.to_i if forwarded return @current_message.split(/\n-{20,}\n/, 2)[1] end return @current_mail.to_s if raw return @current_message if id == @current_id log "fetching #{id.inspect}" fetch_data = reconnect_if_necessary do @imap.fetch(id, ["FLAGS", "RFC822", "RFC822.SIZE"])[0] end res = fetch_data.attr["RFC822"] mail = Mail.new(res) @current_id = id @current_mail = mail # used later to show raw message or extract attachments if any log "saving current mail with parts: #{@current_mail.parts.inspect}" formatter = Vmail::MessageFormatter.new(mail) out = formatter.process_body size = fetch_data.attr["RFC822.SIZE"] @current_message = <<-EOF #{@mailbox} #{id} #{number_to_human_size size} #{format_parts_info(formatter.list_parts)} --------------------------------------- #{format_headers(formatter.extract_headers)} #{out} EOF rescue log "parsing error" "Error encountered parsing this message:\n#{$!}" end |
#signature ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 474 def signature return '' unless @signature "\n\n#@signature" end |
#smtp_settings ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 595 def smtp_settings [:smtp, {:address => "smtp.gmail.com", :port => 587, :domain => 'gmail.com', :user_name => @username, :password => @password, :authentication => 'plain', :enable_starttls_auto => true}] end |
#update ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 246 def update prime_connection = @num_messages # we need to re-select the mailbox to get the new highest id select_mailbox(@mailbox, true) update_query = @query # set a new range filter update_query[0] = "#{}:#{@num_messages}" ids = reconnect_if_necessary { log "search #update_query" @imap.search(update_query.join(' ')) } # TODO change this. will throw error now new_ids = ids.select {|x| x > @ids.max} @ids = @ids + new_ids log "UPDATE: NEW UIDS: #{new_ids.inspect}" if !new_ids.empty? res = fetch_envelopes(new_ids) res end end |
#window_width=(width) ⇒ Object
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# File 'lib/vmail/imap_client.rb', line 590 def window_width=(width) log "setting window width to #{width}" @width = width.to_i end |