Class: Brakeman::Report

Inherits:
Object show all
Includes:
Util
Defined in:
lib/brakeman/report.rb

Overview

Generates a report based on the Tracker and the results of Tracker#run_checks. Be sure to run_checks before generating a report.

Constant Summary collapse

TEXT_CONFIDENCE =
[ "High", "Medium", "Weak" ]
HTML_CONFIDENCE =
[ "<span class='high-confidence'>High</span>",
"<span class='med-confidence'>Medium</span>",
"<span class='weak-confidence'>Weak</span>" ]

Constants included from Util

Util::ALL_PARAMETERS, Util::COOKIES, Util::PARAMETERS, Util::PATH_PARAMETERS, Util::QUERY_PARAMETERS, Util::REQUEST_ENV, Util::REQUEST_PARAMETERS, Util::REQUEST_PARAMS, Util::SESSION

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util

#array?, #call?, #camelize, #contains_class?, #context_for, #cookies?, #false?, #file_by_name, #file_for, #hash?, #hash_access, #hash_insert, #hash_iterate, #integer?, #node_type?, #number?, #params?, #pluralize, #regexp?, #request_env?, #request_value?, #result?, #set_env_defaults, #sexp?, #string?, #symbol?, #table_to_csv, #true?, #truncate_table, #underscore

Constructor Details

#initialize(tracker) ⇒ Report

Returns a new instance of Report.


43
44
45
46
47
48
49
# File 'lib/brakeman/report.rb', line 43

def initialize tracker
  @tracker = tracker
  @checks = tracker.checks
  @element_id = 0 #Used for HTML ids
  @warnings_summary = nil
  @highlight_user_input = tracker.options[:highlight_user_input]
end

Instance Attribute Details

#checksObject (readonly)

Returns the value of attribute checks.


36
37
38
# File 'lib/brakeman/report.rb', line 36

def checks
  @checks
end

#trackerObject (readonly)

Returns the value of attribute tracker.


36
37
38
# File 'lib/brakeman/report.rb', line 36

def tracker
  @tracker
end

Instance Method Details

#all_warningsObject


690
691
692
# File 'lib/brakeman/report.rb', line 690

def all_warnings
  @all_warnings ||= @checks.all_warnings
end

#csv_headerObject

Generate header for CSV output


482
483
484
485
486
# File 'lib/brakeman/report.rb', line 482

def csv_header
  header = CSV.generate_line(["Application Path", "Report Generation Time", "Checks Performed", "Rails Version"])
  header << CSV.generate_line([File.expand_path(tracker.options[:app_path]), Time.now.to_s, checks.checks_run.sort.join(", "), rails_version])
  "BRAKEMAN REPORT\n\n" + header
end

#generate_controller_warnings(html = false) ⇒ Object

Generate table of controller warnings or nil if no warnings


216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
# File 'lib/brakeman/report.rb', line 216

def generate_controller_warnings html = false
  unless checks.controller_warnings.empty?
    warnings = []
    checks.controller_warnings.each do |warning|
      w = warning.to_row :controller

      if html
        w["Confidence"] = HTML_CONFIDENCE[w["Confidence"]]
        w["Message"] = with_context warning, w["Message"]
        w["Warning Type"] = with_link warning, w["Warning Type"]
      else
        w["Confidence"] = TEXT_CONFIDENCE[w["Confidence"]]
        w["Message"] = text_message warning, w["Message"]
      end

      warnings << w
    end

    return nil if warnings.empty?
    
    stabilizer = 0
    warnings = warnings.sort_by{|row| stabilizer +=1; [row["Confidence"], row["Warning Type"], row["Controller"], stabilizer]}

    if html
      load_and_render_erb('controller_warnings', binding)
    else
      Terminal::Table.new(:headings => ["Confidence", "Controller", "Warning Type", "Message"]) do |t|
        warnings.each do |warning|
          t.add_row [warning["Confidence"], warning["Controller"], warning["Warning Type"], warning["Message"]]
        end
      end
    end
  else
    nil
  end
end

#generate_controllers(html = false) ⇒ Object

Generate table of controllers and routes found for those controllers


254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
# File 'lib/brakeman/report.rb', line 254

def generate_controllers html=false
  controller_rows = []
  tracker.controllers.keys.map{|k| k.to_s}.sort.each do |name|
    name = name.to_sym
    c = tracker.controllers[name]

    if tracker.routes[:allow_all_actions] or tracker.routes[name] == :allow_all_actions
      routes = c[:public].keys.map{|e| e.to_s}.sort.join(", ")
    elsif tracker.routes[name].nil?
      #No routes defined for this controller.
      #This can happen when it is only a parent class
      #for other controllers, for example.
      routes = "[None]"

    else
      routes = (Set.new(c[:public].keys) & tracker.routes[name.to_sym]).
        to_a.
        map {|e| e.to_s}.
        sort.
        join(", ")
    end

    if routes == ""
      routes = "[None]"
    end

    controller_rows << { "Name" => name.to_s,
      "Parent" => c[:parent].to_s,
      "Includes" => c[:includes].join(", "),
      "Routes" => routes
    }
  end
  controller_rows = controller_rows.sort_by{|row| row['Name']}

  if html
    load_and_render_erb('controller_overview', binding)
  else
    Terminal::Table.new(:headings => ['Name', 'Parent', 'Includes', 'Routes']) do |t|
      controller_rows.each do |row|
        t.add_row [row['Name'], row['Parent'], row['Includes'], row['Routes']]
      end
    end
  end
end

#generate_errors(html = false) ⇒ Object

Generate table of errors or return nil if no errors


85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
# File 'lib/brakeman/report.rb', line 85

def generate_errors html = false
  if tracker.errors.any?
    if html
      load_and_render_erb('error_overview', binding)
    else
      Terminal::Table.new(:headings => ['Error', 'Location']) do |t|
        tracker.errors.each do |error|
          t.add_row [error[:error], error[:backtrace][0]]
        end
      end
    end
  else
    nil
  end
end

#generate_model_warnings(html = false) ⇒ Object

Generate table of model warnings or return nil if no warnings


179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
# File 'lib/brakeman/report.rb', line 179

def generate_model_warnings html = false
  if checks.model_warnings.any?
    warnings = []
    checks.model_warnings.each do |warning|
      w = warning.to_row :model

      if html
        w["Confidence"] = HTML_CONFIDENCE[w["Confidence"]]
        w["Message"] = with_context warning, w["Message"]
        w["Warning Type"] = with_link warning, w["Warning Type"]
      else
        w["Confidence"] = TEXT_CONFIDENCE[w["Confidence"]]
        w["Message"] = text_message warning, w["Message"]
      end

      warnings << w
    end

    return nil if warnings.empty?
    stabilizer = 0
    warnings = warnings.sort_by{|row| stabilizer +=1; [row["Confidence"],row["Warning Type"], row["Model"], stabilizer]}

    if html
      load_and_render_erb('model_warnings', binding)
    else
      Terminal::Table.new(:headings => ["Confidence", "Model", "Warning Type", "Message"]) do |t|
        warnings.each do |warning|
          t.add_row [warning["Confidence"], warning["Model"], warning["Warning Type"], warning["Message"]]
        end
      end
    end
  else
    nil
  end
end

#generate_overview(html = false) ⇒ Object

Generate summary table of what was parsed


52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
# File 'lib/brakeman/report.rb', line 52

def generate_overview html = false
  warnings = all_warnings.length

  if html
    load_and_render_erb('overview', binding)
  else
    Terminal::Table.new(:headings => ['Scanned/Reported', 'Total']) do |t|
      t.add_row ['Controllers', tracker.controllers.length]
      t.add_row ['Models', tracker.models.length - 1]
      t.add_row ['Templates', number_of_templates(@tracker)]
      t.add_row ['Errors', tracker.errors.length]
      t.add_row ['Security Warnings', "#{warnings} (#{warnings_summary[:high_confidence]})"]
    end
  end
end

#generate_template_warnings(html = false) ⇒ Object

Generate table of template warnings or return nil if no warnings


140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
# File 'lib/brakeman/report.rb', line 140

def generate_template_warnings html = false
  if checks.template_warnings.any?
    warnings = []
    checks.template_warnings.each do |warning|
      w = warning.to_row :template

      if html
        w["Confidence"] = HTML_CONFIDENCE[w["Confidence"]]
        w["Message"] = with_context warning, w["Message"]
        w["Warning Type"] = with_link warning, w["Warning Type"]
        w["Called From"] = warning.called_from
        w["Template Name"] = warning.template[:name]
      else
        w["Confidence"] = TEXT_CONFIDENCE[w["Confidence"]]
        w["Message"] = text_message warning, w["Message"]
      end

      warnings << w
    end

    return nil if warnings.empty?
    
    stabilizer = 0
    warnings = warnings.sort_by{|row| stabilizer += 1; [row["Confidence"], row["Warning Type"], row["Template"], stabilizer]}
    if html
      load_and_render_erb('view_warnings', binding)
    else
      Terminal::Table.new(:headings => ["Confidence", "Template", "Warning Type", "Message"]) do |t|
        warnings.each do |warning|
          t.add_row [warning["Confidence"], warning["Template"], warning["Warning Type"], warning["Message"]]
        end
      end
    end
  else
    nil
  end
end

#generate_templates(html = false) ⇒ Object

Generate listings of templates and their output


300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
# File 'lib/brakeman/report.rb', line 300

def generate_templates html = false
  out_processor = Brakeman::OutputProcessor.new
  template_rows = {}
  tracker.templates.each do |name, template|
    unless template[:outputs].empty?
      template[:outputs].each do |out|
        out = out_processor.format out
        out = CGI.escapeHTML(out) if html
        template_rows[name] ||= []
        template_rows[name] << out.gsub("\n", ";").gsub(/\s+/, " ")
      end
    end
  end

  template_rows = template_rows.sort_by{|name, value| name.to_s}

  if html
    load_and_render_erb('template_overview', binding)
  else
    output = ''
    template_rows.each do |template|
      output << template.first.to_s << "\n\n" 
      table = Terminal::Table.new(:headings => ['Output']) do |t|
        # template[1] is an array of calls
        template[1].each do |v|
          t.add_row [v]
        end
      end

      output << table.to_s << "\n\n"
    end

    output
  end
end

#generate_warning_overview(html = false) ⇒ Object

Generate table of how many warnings of each warning type were reported


69
70
71
72
73
74
75
76
77
78
79
80
81
82
# File 'lib/brakeman/report.rb', line 69

def generate_warning_overview html = false
  types = warnings_summary.keys
  types.delete :high_confidence

  if html
    load_and_render_erb('warning_overview', binding)
  else
    Terminal::Table.new(:headings => ['Warning Type', 'Total']) do |t|
      types.sort.each do |warning_type|
        t.add_row [warning_type, warnings_summary[warning_type]]
      end
    end
  end
end

#generate_warnings(html = false) ⇒ Object

Generate table of general security warnings


102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
# File 'lib/brakeman/report.rb', line 102

def generate_warnings html = false
  warning_messages = []
  checks.warnings.each do |warning|
    w = warning.to_row

    if html
      w["Confidence"] = HTML_CONFIDENCE[w["Confidence"]]
      w["Message"] = with_context warning, w["Message"]
      w["Warning Type"] = with_link warning, w["Warning Type"]
    else
      w["Confidence"] = TEXT_CONFIDENCE[w["Confidence"]]
      w["Message"] = text_message warning, w["Message"]
    end

    warning_messages << w
  end

  stabilizer = 0
  warning_messages = warning_messages.sort_by{|row| stabilizer += 1; [row['Confidence'], row['Warning Type'], row['Class'], stabilizer]}

  if html
    load_and_render_erb('security_warnings', binding)
  else
    if warning_messages.empty?
      Terminal::Table.new(:headings => ['General Warnings']) do |t|
        t.add_row ['[NONE]']
      end
    else
      Terminal::Table.new(:headings => ["Confidence", "Class", "Method", "Warning Type", "Message"]) do |t|
        warning_messages.each do |row|
          t.add_row [row["Confidence"], row["Class"], row["Method"], row["Warning Type"], row["Message"]]
        end
      end
    end
  end
end

#html_headerObject

Return header for HTML output. Uses CSS from tracker.options


466
467
468
469
470
471
472
473
474
# File 'lib/brakeman/report.rb', line 466

def html_header
  if File.exist? tracker.options[:html_style]
    css = File.read tracker.options[:html_style]
  else
    raise "Cannot find CSS stylesheet for HTML: #{tracker.options[:html_style]}"
  end

  load_and_render_erb('header', binding)
end

#html_message(warning, message) ⇒ Object

Escape warning message and highlight user input in HTML output


521
522
523
524
525
526
527
528
529
530
531
# File 'lib/brakeman/report.rb', line 521

def html_message warning, message
  message = CGI.escapeHTML(message)

  if @highlight_user_input and warning.user_input
    user_input = CGI.escapeHTML(warning.format_user_input)

    message.gsub!(user_input, "<span class=\"user_input\">#{user_input}</span>")
  end

  message
end

#number_of_templates(tracker) ⇒ Object


694
695
696
# File 'lib/brakeman/report.rb', line 694

def number_of_templates tracker
  Set.new(tracker.templates.map {|k,v| v[:name].to_s[/[^.]+/]}).length
end

#rails_versionObject


455
456
457
458
459
460
461
462
463
# File 'lib/brakeman/report.rb', line 455

def rails_version
  if version = tracker.config[:rails_version]
    return version
  elsif tracker.options[:rails3]
    return "3.x"
  else
    return "Unknown"
  end
end

#text_headerObject

Generate header for text output


477
478
479
# File 'lib/brakeman/report.rb', line 477

def text_header
  "\n+BRAKEMAN REPORT+\n\nApplication path: #{File.expand_path tracker.options[:app_path]}\nRails version: #{rails_version}\nGenerated at #{Time.now}\nChecks run: #{checks.checks_run.sort.join(", ")}\n"
end

#text_message(warning, message) ⇒ Object

Escape warning message and highlight user input in text output


511
512
513
514
515
516
517
518
# File 'lib/brakeman/report.rb', line 511

def text_message warning, message
  if @highlight_user_input and warning.user_input
    user_input = warning.format_user_input
    message.gsub(user_input, "+#{user_input}+")
  else
    message
  end
end

#to_csvObject

Generate CSV output


406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
# File 'lib/brakeman/report.rb', line 406

def to_csv
  output = csv_header 
  output << "\nSUMMARY\n" 

  output << table_to_csv(generate_overview) << "\n"

  output << table_to_csv(generate_warning_overview) << "\n"

  #Return output early if only summarizing
  if tracker.options[:summary_only]
    return output
  end

  if tracker.options[:report_routes] or tracker.options[:debug]
    output << "CONTROLLERS\n"
    output << table_to_csv(generate_controllers) << "\n"
  end

  if tracker.options[:debug]
    output << "TEMPLATES\n\n"
    output << table_to_csv(generate_templates) << "\n"
  end

  res = generate_errors
  output << "ERRORS\n" << table_to_csv(res) << "\n" if res

  res = generate_warnings
  output << "SECURITY WARNINGS\n" << table_to_csv(res) << "\n" if res

  output << "Controller Warnings\n"
  res = generate_controller_warnings
  output << table_to_csv(res) << "\n" if res

  output << "Model Warnings\n"
  res = generate_model_warnings 
  output << table_to_csv(res) << "\n" if res

  res = generate_template_warnings
  output << "Template Warnings\n"
  output << table_to_csv(res) << "\n" if res

  output
end

#to_htmlObject

Generate HTML output


337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
# File 'lib/brakeman/report.rb', line 337

def to_html
  out = html_header <<
  generate_overview(true) <<
  generate_warning_overview(true)

  # Return early if only summarizing
  if tracker.options[:summary_only]
    return out
  end

  if tracker.options[:report_routes] or tracker.options[:debug]
    out << generate_controllers(true).to_s
  end

  if tracker.options[:debug]
    out << generate_templates(true).to_s
  end

  out << generate_errors(true).to_s
  out << generate_warnings(true).to_s
  out << generate_controller_warnings(true).to_s
  out << generate_model_warnings(true).to_s
  out << generate_template_warnings(true).to_s

  out << "</body></html>"
end

#to_jsonObject


659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
# File 'lib/brakeman/report.rb', line 659

def to_json
  errors = tracker.errors.map{|e| { :error => e[:error], :location => e[:backtrace][0] }}
  app_path = tracker.options[:app_path]

  warnings = all_warnings.map do |w|
    hash = w.to_hash
    hash[:file] = warning_file w
    hash
  end.sort_by { |w| w[:file] }

  scan_info = {
    :app_path => File.expand_path(tracker.options[:app_path]),
    :rails_version => rails_version,
    :security_warnings => all_warnings.length,
    :timestamp => Time.now.to_s,
    :checks_performed => checks.checks_run.sort,
    :number_of_controllers =>tracker.controllers.length,
    # ignore the "fake" model
    :number_of_models => tracker.models.length - 1,
    :number_of_templates => number_of_templates(@tracker),
    :ruby_version => RUBY_VERSION,
    :brakeman_version => Brakeman::Version
  }

  MultiJson.dump({
    :scan_info => scan_info,
    :warnings => warnings,
    :errors => errors
  }, :pretty => true)
end

#to_pdfObject

Not yet implemented


451
452
453
# File 'lib/brakeman/report.rb', line 451

def to_pdf
  raise "PDF output is not yet supported."
end

#to_sObject

Output text version of the report


365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
# File 'lib/brakeman/report.rb', line 365

def to_s
  out = text_header <<
  "\n\n+SUMMARY+\n\n" <<
  truncate_table(generate_overview.to_s) << "\n\n" <<
  truncate_table(generate_warning_overview.to_s) << "\n"

  #Return output early if only summarizing
  if tracker.options[:summary_only]
    return out
  end

  if tracker.options[:report_routes] or tracker.options[:debug]
    out << "\n+CONTROLLERS+\n" <<
    truncate_table(generate_controllers.to_s) << "\n"
  end

  if tracker.options[:debug]
    out << "\n+TEMPLATES+\n\n" <<
    truncate_table(generate_templates.to_s) << "\n"
  end

  res = generate_errors
  out << "+Errors+\n" << truncate_table(res.to_s) if res

  res = generate_warnings
  out << "\n\n+SECURITY WARNINGS+\n\n" << truncate_table(res.to_s) if res

  res = generate_controller_warnings
  out << "\n\n\nController Warnings:\n\n" << truncate_table(res.to_s) if res

  res = generate_model_warnings 
  out << "\n\n\nModel Warnings:\n\n" << truncate_table(res.to_s) if res

  res = generate_template_warnings
  out << "\n\nView Warnings:\n\n" << truncate_table(res.to_s) if res

  out << "\n"
  out
end

#to_tabsObject

Generated tab-separated output suitable for the Jenkins Brakeman Plugin: github.com/presidentbeef/brakeman-jenkins-plugin


621
622
623
624
625
626
627
628
629
630
631
632
# File 'lib/brakeman/report.rb', line 621

def to_tabs
  [[:warnings, "General"], [:controller_warnings, "Controller"],
    [:model_warnings, "Model"], [:template_warnings, "Template"]].map do |meth, category|

    checks.send(meth).map do |w|
      line = w.line || 0
      w.warning_type.gsub!(/[^\w\s]/, ' ')
      "#{warning_file w}\t#{line}\t#{w.warning_type}\t#{category}\t#{w.format_message}\t#{TEXT_CONFIDENCE[w.confidence]}"
    end.join "\n"

  end.join "\n"
end

#to_testObject


634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
# File 'lib/brakeman/report.rb', line 634

def to_test
  report = { :errors => tracker.errors,
             :controllers => tracker.controllers,
             :models => tracker.models,
             :templates => tracker.templates
            }

  [:warnings, :controller_warnings, :model_warnings, :template_warnings].each do |meth|
    report[meth] = @checks.send(meth)
    report[meth].each do |w|
      w.message = w.format_message
      if w.code
        w.code = w.format_code
      else
        w.code = ""
      end
      w.context = context_for(w).join("\n")
    end
  end

  report[:config] = tracker.config
    
  report
end

#warning_file(warning, relative = false) ⇒ Object


698
699
700
701
702
703
704
705
706
# File 'lib/brakeman/report.rb', line 698

def warning_file warning, relative = false
  return nil if warning.file.nil?

  if @tracker.options[:relative_paths] or relative
    Pathname.new(warning.file).relative_path_from(Pathname.new(tracker.options[:app_path])).to_s
  else
    warning.file
  end
end

#warnings_summaryObject

Return summary of warnings in hash and store in @warnings_summary


489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
# File 'lib/brakeman/report.rb', line 489

def warnings_summary
  return @warnings_summary if @warnings_summary

  summary = Hash.new(0)
  high_confidence_warnings = 0

  [all_warnings].each do |warnings|

    warnings.each do |warning|
      summary[warning.warning_type.to_s] += 1

      if warning.confidence == 0
        high_confidence_warnings += 1
      end
    end
  end

  summary[:high_confidence] = high_confidence_warnings
  @warnings_summary = summary
end

#with_context(warning, message) ⇒ Object

Generate HTML for warnings, including context show/hidden via Javascript


534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
# File 'lib/brakeman/report.rb', line 534

def with_context warning, message
  context = context_for warning
  full_message = nil

  if tracker.options[:message_limit] and
    tracker.options[:message_limit] > 0 and 
    message.length > tracker.options[:message_limit]

    full_message = html_message(warning, message)
    message = message[0..tracker.options[:message_limit]] << "..."
  end

  message = html_message(warning, message)

  if context.empty? and not full_message
    return message
  end

  @element_id += 1
  code_id = "context#@element_id"
  message_id = "message#@element_id"
  full_message_id = "full_message#@element_id"
  alt = false
  output = "<div class='warning_message' onClick=\"toggle('#{code_id}');toggle('#{message_id}');toggle('#{full_message_id}')\" >" <<
  if full_message
    "<span id='#{message_id}' style='display:block' >#{message}</span>" <<
    "<span id='#{full_message_id}' style='display:none'>#{full_message}</span>"
  else
    message
  end <<
  "<table id='#{code_id}' class='context' style='display:none'>" <<
  "<caption>#{warning_file(warning, :relative) || ''}</caption>"

  unless context.empty?
    if warning.line - 1 == 1 or warning.line + 1 == 1
      error = " near_error"
    elsif 1 == warning.line
      error = " error"
    else
      error = ""
    end

    output << <<-HTML
      <tr class='context first#{error}'>
        <td class='context_line'>
          <pre class='context'>#{context.first[0]}</pre>
        </td>
        <td class='context'>
          <pre class='context'>#{CGI.escapeHTML context.first[1].chomp}</pre>
        </td>
      </tr>
    HTML

    if context.length > 1
      output << context[1..-1].map do |code|
        alt = !alt
        if code[0] == warning.line - 1 or code[0] == warning.line + 1
          error = " near_error"
        elsif code[0] == warning.line
          error = " error"
        else
          error = ""
        end

        <<-HTML
        <tr class='context#{alt ? ' alt' : ''}#{error}'>
          <td class='context_line'>
            <pre class='context'>#{code[0]}</pre>
          </td>
          <td class='context'>
            <pre class='context'>#{CGI.escapeHTML code[1].chomp}</pre>
          </td>
        </tr>
        HTML
      end.join
    end
  end

  output << "</table></div>"
end

615
616
617
# File 'lib/brakeman/report.rb', line 615

def with_link warning, message
  "<a href=\"#{warning.link}\">#{message}</a>"
end