Add ssl_verify config option to fix certificate errors

Raw OpenSSL sockets don't find the system CA bundle the same way Net::HTTP
does. ssl_verify (default: true) is now a config setting that applies to
both HTTP REST calls and WebSocket connections. Set via `portainer-cli configure`.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/portainer_cli/client.rb

@@ -60,7 +60,7 @@ module PortainerCli
       http = Net::HTTP.new(uri.host, uri.port)
       if uri.scheme == 'https'
         http.use_ssl     = true
-        http.verify_mode = OpenSSL::SSL::VERIFY_PEER
+        http.verify_mode = @config.ssl_verify ? OpenSSL::SSL::VERIFY_PEER : OpenSSL::SSL::VERIFY_NONE
       end
       http.open_timeout = 10
       http.read_timeout = 30

lib/portainer_cli/commands/configure.rb

@@ -32,6 +32,11 @@ module PortainerCli
           @config.api_key = prompt_secret("API key", @config.api_key)
         end
 
+        puts
+        current_verify = @config.ssl_verify.nil? ? true : @config.ssl_verify
+        verify_choice  = prompt("Verify SSL certificates? [y/n]", current_verify ? "y" : "n")
+        @config.ssl_verify = (verify_choice.downcase != "n")
+
         @config.save
         puts
         puts green("Configuration saved to #{Config::CONFIG_FILE}")

lib/portainer_cli/commands/console.rb

@@ -42,7 +42,7 @@ module PortainerCli
         send_resize(endpoint_id, exec_id) if $stdout.tty?
         trap('SIGWINCH') { send_resize(endpoint_id, exec_id) } if $stdout.tty?
 
-        WebsocketExec.new(ws_url, @config.auth_header).run
+        WebsocketExec.new(ws_url, @config.auth_header, ssl_verify: @config.ssl_verify).run
 
         $stderr.puts dim("\r\nSession ended.")
       rescue PortainerCli::Client::ApiError => e

lib/portainer_cli/commands/exec.rb

@@ -36,7 +36,7 @@ module PortainerCli
         send_resize(endpoint_id, exec_id) if $stdout.tty?
         trap('SIGWINCH') { send_resize(endpoint_id, exec_id) } if $stdout.tty?
 
-        WebsocketExec.new(ws_url, @config.auth_header).run
+        WebsocketExec.new(ws_url, @config.auth_header, ssl_verify: @config.ssl_verify).run
 
         $stderr.puts dim("\r\nSession ended.")
       rescue PortainerCli::Client::ApiError => e

lib/portainer_cli/config.rb

@@ -8,7 +8,7 @@ module PortainerCli
     CONFIG_DIR  = File.expand_path('~/.portainer-cli').freeze
     CONFIG_FILE = File.join(CONFIG_DIR, 'config.yml').freeze
 
-    attr_accessor :url, :token, :api_key
+    attr_accessor :url, :token, :api_key, :ssl_verify
 
     def self.load
       new.tap(&:read)
@@ -21,6 +21,7 @@ module PortainerCli
       @url        = data['url']
       @token      = data['token']
       @api_key    = data['api_key']
+      @ssl_verify = data.fetch('ssl_verify', true)
     end
 
     def save
@@ -29,6 +30,7 @@ module PortainerCli
       data['url']        = @url        if @url
       data['token']      = @token      if @token
       data['api_key']    = @api_key    if @api_key
+      data['ssl_verify'] = @ssl_verify unless @ssl_verify.nil?
       File.write(CONFIG_FILE, YAML.dump(data))
       File.chmod(0o600, CONFIG_FILE)
     end

lib/portainer_cli/websocket_exec.rb

@@ -10,9 +10,10 @@ module PortainerCli
   class WebsocketExec
     READ_SIZE = 4096
 
-    def initialize(url, auth_header)
+    def initialize(url, auth_header, ssl_verify: true)
       @url         = URI.parse(url)
       @auth_header = auth_header
+      @ssl_verify  = ssl_verify
     end
 
     def run
@@ -33,7 +34,7 @@ module PortainerCli
 
       if @url.scheme == 'wss'
         ctx             = OpenSSL::SSL::SSLContext.new
-        ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
+        ctx.verify_mode = @ssl_verify ? OpenSSL::SSL::VERIFY_PEER : OpenSSL::SSL::VERIFY_NONE
         ssl             = OpenSSL::SSL::SSLSocket.new(raw, ctx)
         ssl.hostname    = @url.host
         ssl.sync_close  = true