Module: Brainiac::Plugins::Zoho::MailApi

Defined in:
lib/brainiac/plugins/zoho/mail_api.rb

Constant Summary collapse

ZOHO_TOKEN_URL = 
"https://accounts.zoho.com/oauth/v2/token"
ZOHO_MAIL_API_BASE = 
"https://mail.zoho.com/api/accounts"

Class Method Summary collapse

Class Method Details

.access_token ⇒ Object 



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# File 'lib/brainiac/plugins/zoho/mail_api.rb', line 45

def access_token
  return @access_token if @access_token && Time.now < @token_expires_at

  refresh_access_token!
end

.configured? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brainiac/plugins/zoho/mail_api.rb', line 16

def configured?
  Config.api_configured?
end

.fetch_email_content(message_id) ⇒ Object 



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# File 'lib/brainiac/plugins/zoho/mail_api.rb', line 57

def fetch_email_content(message_id)
  return nil unless configured?

  token = access_token
  return nil unless token

   = Config.api_section["account_id"]
  uri = URI("#{ZOHO_MAIL_API_BASE}/#{}/messages/#{message_id}/originalmessage")

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  req = Net::HTTP::Get.new(uri)
  req["Authorization"] = "Zoho-oauthtoken #{token}"
  req["Accept"] = "application/json"

  res = http.request(req)
  data = JSON.parse(res.body)

  if data.dig("status", "code") == 200
    raw_mime = data.dig("data", "content").to_s
    text = extract_text_from_mime(raw_mime)
    LOG.info "[Zoho:API] Fetched content for message #{message_id} (#{text.length} chars)"
    text
  else
    LOG.warn "[Zoho:API] Failed to fetch content: #{data.dig("status", "description")}"
    nil
  end
rescue StandardError => e
  LOG.error "[Zoho:API] Error fetching content: #{e.message}"
  nil
end

.refresh_access_token! ⇒ Object 



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# File 'lib/brainiac/plugins/zoho/mail_api.rb', line 20

def refresh_access_token!
  api = Config.api_section
  uri = URI(ZOHO_TOKEN_URL)
  res = Net::HTTP.post_form(uri, {
                              "grant_type" => "refresh_token",
                              "client_id" => api["client_id"],
                              "client_secret" => api["client_secret"],
                              "refresh_token" => api["refresh_token"]
                            })

  data = JSON.parse(res.body)
  if data["access_token"]
    @access_token = data["access_token"]
    @token_expires_at = Time.now + 3300
    LOG.info "[Zoho:API] Refreshed access token"
    @access_token
  else
    LOG.error "[Zoho:API] Token refresh failed: #{data["error"]}"
    nil
  end
rescue StandardError => e
  LOG.error "[Zoho:API] Token refresh error: #{e.message}"
  nil
end

.store_token(token) ⇒ Object

Store token obtained during OAuth callback



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# File 'lib/brainiac/plugins/zoho/mail_api.rb', line 52

def store_token(token)
  @access_token = token
  @token_expires_at = Time.now + 3300
end