supported osm base map printing

Author: sanak

app/controllers/gtt_print_jobs_controller.rb

@@ -14,7 +14,7 @@ def create
     job.issue = @issue
     job.issues = @issues
     if job.valid?
-      @result = RedmineGttPrint.mapfish.print job
+      @result = RedmineGttPrint.mapfish.print job, request.referer, request.user_agent
       render status: (@result&.success? ? :created : 422)
     else
       render status: 422

lib/redmine_gtt_print/issue_to_json.rb

@@ -178,7 +178,7 @@ def self.map_data(center, features, scale, basemap_url)
             type: "geojson"
           },
           {
-            baseURL: "https://cyberjapandata.gsi.go.jp/xyz/std",
+            baseURL: basemap_url.sub(/\/{z}\/{x}\/{y}.png/,''),
             imageExtension: "png",
             type: "osm"
           }

lib/redmine_gtt_print/mapfish.rb

@@ -31,8 +31,8 @@ def get_capabilities(print_config)
       end
     end
 
-    def print(job)
-      if ref = request_print(job.json, job.print_config, job.format)
+    def print(job, referer, user_agent)
+      if ref = request_print(job.json, job.print_config, job.format, referer, user_agent)
         CreateJobResult.new success: true, ref: ref
       else
         CreateJobResult.new
@@ -63,13 +63,17 @@ def get_print(ref)
 
     private
 
-    def request_print(json, print_config, format)
+    def request_print(json, print_config, format, referer, user_agent)
       str = URI.escape(print_config)
       url = "#{@host}/print/#{str}/report.#{format}"
       if Rails.env.development?
         (File.open(Rails.root.join("tmp/mapfish.json"), "wb") << json).close
       end
-      r = HTTParty.post url, body: json, headers: { 'Content-Type' => 'application/json' }
+      r = HTTParty.post url, body: json, headers: {
+        'Content-Type' => 'application/json',
+        'Referer' => referer,
+        'User-Agent' => user_agent
+      }
       if r.success?
         json = JSON.parse r.body
         json['ref']