Module: TempmailSdk::Providers::Anonbox

Defined in:
lib/tempmail_sdk/providers/anonbox.rb

Overview

anonbox.net (CCC) — GET /en/ 解析 HTML，HTTP mbox 取信

Constant Summary collapse

CHANNEL = 
"anonbox"
PAGE_URL = 
"https://anonbox.net/en/"
BASE = 
"https://anonbox.net"
%r{<a href="https://anonbox\.net/([a-z0-9-]+)/([A-Za-z0-9._~-]+)">https://anonbox\.net/[^"]+</a>}i
DD_RE = 
/<dd([^>]*)>([\s\S]*?)<\/dd>/mi
DISPLAY_NONE_RE = 
/display\s*:\s*none/i
P_RE = 
/<p>([\s\S]*?)<\/p>/mi
SPAN_RE = 
/<span\b[^>]*>[\s\S]*?<\/span>/mi
TAG_RE = 
/<[^>]+>/
EXPIRES_RE = 
/Your mail address is valid until:<\/dt>\s*<dd><p>([^<]+)<\/p>/mi
MBOX_SPLIT_RE = 
/\r?\n(?=From )/
HEADERS = 
{
  "User-Agent" => "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36",
  "Accept" => "text/html,application/xhtml+xml"
}.freeze

Class Method Summary collapse

Class Method Details

.decode_qp_if_needed(body, header_block) ⇒ Object

解码 quoted-printable 编码



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 102

def decode_qp_if_needed(body, header_block)
  te = header_block.match(/(?i)^content-transfer-encoding:\s*([^\s]+)/m)
  enc = te ? te[1].downcase.strip : ""
  return body.rstrip unless enc == "quoted-printable"

  soft = body.gsub(/=\r?\n/, "")
  result = []
  bytes = soft.bytes
  i = 0
  while i < bytes.length
    if bytes[i] == 61 && i + 2 < bytes.length # '='
      hex = [bytes[i + 1], bytes[i + 2]].pack("C*")
      begin
        result << hex.to_i(16)
        i += 3
        next
      rescue ArgumentError
        # 非法十六进制，作为普通字符处理
      end
    end
    result << bytes[i]
    i += 1
  end
  result.pack("C*").force_encoding("UTF-8").rstrip
end

.generate_email ⇒ EmailInfo

创建 anonbox 临时邮箱

Returns:



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 220

def generate_email
  r = Http.get(PAGE_URL, headers: HEADERS, timeout: 15)
  r.raise_for_status
  email, token, exp = parse_en_page(r.body)
  EmailInfo.new(channel: CHANNEL, email: email, token: token, created_at: exp)
end

.get_emails(token, email) ⇒ Array<Email>

获取邮件列表

Parameters:

  • token (String) —

    inbox/secret 路径

  • email (String)

Returns:



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 231

def get_emails(token, email)
  raise "token is required for anonbox channel" if token.nil? || token.to_s.empty?

  path = token.end_with?("/") ? token : "#{token}/"
  url = "#{BASE}/#{path}"
  r = Http.get(url, headers: HEADERS.merge("Accept" => "text/plain,*/*"), timeout: 15)
  return [] if r.status_code == 404

  r.raise_for_status
  raw = r.body.strip
  return [] if raw.empty?

  blocks = raw.split(MBOX_SPLIT_RE).map(&:strip).reject(&:empty?)
  blocks.map { |b| Normalize.normalize_email(mbox_block_to_raw(b, email), email) }
end

.mbox_block_to_raw(block, recipient) ⇒ Object

解析 mbox 格式单条邮件



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 129

def mbox_block_to_raw(block, recipient)
  normalized = block.gsub("\r\n", "\n")
  lines = normalized.split("\n")
  i = 0
  i = 1 if lines.first&.start_with?("From ")

  headers = {}
  cur_key = ""
  while i < lines.length
    line = lines[i]
    if line == ""
      i += 1
      break
    end
    if (line[0] == " " || line[0] == "\t") && !cur_key.empty?
      headers[cur_key] = "#{headers[cur_key]} #{line.strip}"
    else
      idx = line.index(":")
      if idx && idx > 0
        cur_key = line[0...idx].strip.downcase
        headers[cur_key] = line[(idx + 1)..].strip
      end
    end
    i += 1
  end

  body = lines[i..].join("\n")
  ct = (headers["content-type"] || "").downcase
  text = ""
  html = ""

  if ct.include?("multipart/")
    bm = headers["content-type"]&.match(/(?i)boundary="?([^";\s]+)"?/)
    if bm
      boundary = Regexp.escape(bm[1])
      parts = body.split(/\r?\n--#{boundary}(?:--)?\r?\n/)
      parts.each do |part|
        part = part.strip
        next if part.empty? || part == "--"

        sep = part.index("\n\n")
        next unless sep

        ph = part[0...sep]
        pb = part[(sep + 2)..]
        pct_m = ph.match(/(?i)^content-type:\s*([^\s;]+)/m)
        pct = pct_m ? pct_m[1].downcase : ""

        if pct == "text/plain"
          text = decode_qp_if_needed(pb, ph)
        elsif pct == "text/html"
          html = decode_qp_if_needed(pb, ph)
        end
      end
    end
  end

  if text.empty? && html.empty?
    if ct.include?("text/html")
      html = decode_qp_if_needed(body, headers["content-type"] || "")
    else
      text = decode_qp_if_needed(body, headers["content-type"] || "")
    end
  end

  date_str = headers["date"] || ""
  unless date_str.empty?
    begin
      date_str = Time.parse(date_str.strip).iso8601
    rescue ArgumentError, TypeError
      # 保持原值
    end
  end
  date_str = Time.now.utc.iso8601 if date_str.empty?

  msg_id = headers["message-id"] || simple_hash(block[0, 512])
  {
    "id" => msg_id,
    "from" => headers["from"] || "",
    "to" => headers["to"] || recipient,
    "subject" => headers["subject"] || "",
    "body_text" => text,
    "body_html" => html,
    "date" => date_str,
    "isRead" => false,
    "attachments" => []
  }
end

.parse_en_page(html_str) ⇒ Object

从首页 HTML 中解析邮箱地址、token、过期时间



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 54

def parse_en_page(html_str)
  m = html_str.match(MAIL_LINK_RE)
  raise "anonbox: mailbox link not found" unless m

  inbox = m[1]
  secret = m[2]
  token = "#{inbox}/#{secret}"

  # 从 <dd> 中提取邮箱地址
  address_html = nil
  html_str.scan(DD_RE).each do |attrs, inner|
    next if attrs.match?(DISPLAY_NONE_RE)

    pm = inner.match(P_RE)
    next unless pm

    p_inner = pm[1].gsub(SPAN_RE, "")
    display = strip_tags(p_inner)
    next unless display.include?("@")

    at = display.rindex("@")
    local = display[0...at].strip
    domain = display[(at + 1)..].strip.downcase
    next if domain == "googlemail.com"

    expected_domain = "#{inbox}.anonbox.net".downcase
    next if domain != expected_domain
    next if local.empty?

    address_html = display
    break
  end

  raise "anonbox: address paragraph not found" unless address_html

  at = address_html.index("@")
  raise "anonbox: bad address" unless at

  local = address_html[0...at].strip
  raise "anonbox: empty local part" if local.empty?

  email = "#{local}@#{inbox}.anonbox.net"
  em = html_str.match(EXPIRES_RE)
  exp = em ? em[1].strip : nil
  [email, token, exp]
end

.simple_hash(s) ⇒ Object

简单哈希，用于生成邮件 ID



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 38

def simple_hash(s)
  h = 0
  s.each_char { |c| h = (h * 31 + c.ord) & 0xFFFFFFFF }
  return "0" if h == 0

  digits = "0123456789abcdefghijklmnopqrstuvwxyz"
  out = []
  n = h
  while n > 0
    out.unshift(digits[n % 36])
    n /= 36
  end
  out.join
end

.strip_tags(html_str) ⇒ Object

去除 HTML 标签并还原常见实体



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# File 'lib/tempmail_sdk/providers/anonbox.rb', line 28

def strip_tags(html_str)
  s = html_str.gsub(TAG_RE, "")
  s.gsub("&nbsp;", " ")
   .gsub("&amp;", "&")
   .gsub("&lt;", "<")
   .gsub("&gt;", ">")
   .strip
end