//TODO would want this for unit tests to be easily loaded from a collection...
public virtual string GetSampleValue(string variable, RedirectData data)
{
if (LookupDictionary != null && LookupDictionary.ContainsKey(variable))
{
return LookupDictionary[variable](data);
}
switch (variable)
{
case "HTTP_TRUE_CLIENT_IP":
return GetRandom(IpExamples);
case "HTTP_HOST":
case "HTTP:Host":
return data.OriginalUrl.Host;
case "HTTP:User-Agent":
return GetRandom(UserAgentExamples);
case "REQUEST_METHOD":
return "GET";
case "HTTPS":
return data.OriginalUrl.OriginalString.StartsWith("https") ? "ON" : "OFF";
case "SERVER_PORT":
return data.OriginalUrl.Port.ToString();
case "QUERY_STRING":
return data.OriginalUrl.Query;
case "HTTP:Referer":
return GetRandom(ReferrerExamples);
case "REQUEST_URI":
return data.OriginalUrl.OriginalString;
}
throw new Exception("Unknown variable: " + variable);
}
public bool ProcessConditions(ref RedirectData data)
{
//Default to true
if (Conditions == null)
{
return(true);
}
foreach (var c in Conditions)
{
try
{
if (!c.MatchesCondition(ref data))
{
return(false);
}
}
catch (Exception ex)
{
throw new Exception("Failed processing condition from line: " + c.LineNumber, ex);
}
}
//data.RuleSetMatched = this;
return(true);
}
public RedirectData ProcessRules(RedirectData data)
{
foreach (var rule in Rules)
{
try
{
data = rule.ProcessRule(data);
switch (data.Status)
{
case RedirectStatus.NotProcessed:
//case RedirectStatus.Continue:
continue;
case RedirectStatus.Modified:
data.RuleSetMatched = this;
continue;
case RedirectStatus.Redirected:
data.RuleSetMatched = this;
break;
default:
throw new Exception("Unknown RedirectStatus... code needs to be updated: " + data.Status.ToString());
}
}
catch (Exception ex)
{
throw new Exception("Failed processing rule from line: " + rule.LineNumber, ex);
}
}
return(data);
}
public string BuildOutputUrl(RedirectData data)
{
var ruleMatches = data.RuleMatchGroups ?? new List<string>();
var conditionMatches = data.ConditionMatchGroups ?? new List<string>();
var processedUrl = Regex.Replace(ReplacePattern, @"(\$\d|%\d|\$\$\d\d|%%\d\d)", match => Evaluator(match, ruleMatches, conditionMatches));
return Options_PostProcessing(processedUrl);
}
public string BuildOutputUrl(RedirectData data)
{
var ruleMatches = data.RuleMatchGroups ?? new List <string>();
var conditionMatches = data.ConditionMatchGroups ?? new List <string>();
var processedUrl = Regex.Replace(ReplacePattern, @"(\$\d|%\d|\$\$\d\d|%%\d\d)", match => Evaluator(match, ruleMatches, conditionMatches));
return(Options_PostProcessing(processedUrl));
}
//TODO all these tests could be moved into this...
public static void BuildAndTestConditions(IEnumerable<string> lines, string originalUrl, bool matchesCond, bool matchesRule, string expectedUrl, int? expectedRuleCount = null)
{
var samples = new RandomSampleValues();
var factory = new RewriteFactory(samples);
var lineNum = 1;
var redirects = lines.Select(l => factory.Build(lineNum++, l));
var ruleSet = RewriteRuleSet.BuildRuleSets(redirects);
var redirectData = new RedirectData(originalUrl);
TestConditions(matchesCond, matchesRule, null, expectedUrl, ruleSet, redirectData);
}
public bool MatchesCondition(ref RedirectData data)
{
string testString = data.OriginalUrl.PathAndQuery;
if (Variable != null) testString = _values.GetSampleValue(Variable, data);
var m = Regex.Match(testString, MatchPattern);
if (m.Success)
{
data.ConditionMatchGroups = m.Groups.Cast<Group>()
.Select(a => a.Value).ToList();
}
return m.Success;
}
public RedirectData TestUrl(string url)
{
if (RulesSets == null) throw new Exception("Did you forget to call LoadConfig?");
var data = new RedirectData(url);
var matchesRuleSets = RulesSets.Where(r => r.ProcessConditions(ref data));
foreach (var rule in matchesRuleSets)
{
data = rule.ProcessRules(data);
if (data.Status == RedirectStatus.Redirected)
break;
}
return data;
}
public bool MatchesCondition(ref RedirectData data)
{
string testString = data.OriginalUrl.PathAndQuery;
if (Variable != null)
{
testString = _values.GetSampleValue(Variable, data);
}
var m = Regex.Match(testString, MatchPattern);
if (m.Success)
{
data.ConditionMatchGroups = m.Groups.Cast <Group>()
.Select(a => a.Value).ToList();
}
return(m.Success);
}
public bool ProcessConditions(ref RedirectData data)
{
//Default to true
if (Conditions == null) return true;
foreach (var c in Conditions)
{
try
{
if (!c.MatchesCondition(ref data)) return false;
}
catch (Exception ex)
{
throw new Exception("Failed processing condition from line: " + c.LineNumber, ex);
}
}
//data.RuleSetMatched = this;
return true;
}
public void Https_test_cases(string originalUrl, bool matchesCond, bool matchesRule, string expectedUrl)
{
//Arrange
var samples = new RandomSampleValues();
var factory = new RewriteFactory(samples);
string[] lines =
{
@"# Force SSL for pages that request personally-identifiable information",
@"RewriteCond %{HTTPS} ^(?!on).*$",
@"RewriteCond %{SERVER_PORT} ^80$",
@"RewriteCond %{HTTP:Host} (.*)",
@"RewriteRule ^(/ltl-freight)(.*)$ https\://%1$1 [NC,R=301]",
};
var lineNum = 1;
var redirects = lines.Select(l => factory.Build(lineNum++, l));
var ruleSet = RewriteRuleSet.BuildRuleSets(redirects);
var redirectData = new RedirectData(originalUrl);
TestConditions(matchesCond, matchesRule, 1, expectedUrl, ruleSet, redirectData);
}
public RedirectData ProcessRule(RedirectData data)
{
//TODO actually this is the OriginalString when condition checks that... or something
//WTF am i saying above... i think i want ProcessedUrl since that will default back to Original if not changed (i.e. its "CurrentUrl")
var m = Regex.Match(data.CurrentPathAndQuery, MatchPattern, Options_Regex());
if (m.Success)
{
data.RuleMatchGroups = m.Groups.Cast <Group>()
.Select(a => a.Value).ToList();
data.ProcessedUrl = BuildOutputUrl(data);
if ((Options & RuleOptions.FINISHED) > 0 &&
data.OriginalUrl.OriginalString != data.ProcessedUrl)
{
data.Status = RedirectStatus.Redirected;
data.SetUrlChanged();
}
else if (data.OriginalUrl.OriginalString != data.ProcessedUrl)
{
data.Status = RedirectStatus.Modified;
data.SetUrlChanged();
}
else
{
//Is this CURRENT status? - yes
data.Status = RedirectStatus.NotProcessed;
}
}
else
{
//Is this CURRENT status? - yes
data.Status = RedirectStatus.NotProcessed;
}
return(data);
}
public RedirectData ProcessRule(RedirectData data)
{
//TODO actually this is the OriginalString when condition checks that... or something
//WTF am i saying above... i think i want ProcessedUrl since that will default back to Original if not changed (i.e. its "CurrentUrl")
var m = Regex.Match(data.CurrentPathAndQuery, MatchPattern, Options_Regex());
if (m.Success)
{
data.RuleMatchGroups = m.Groups.Cast<Group>()
.Select(a => a.Value).ToList();
data.ProcessedUrl = BuildOutputUrl(data);
if ((Options & RuleOptions.FINISHED) > 0
&& data.OriginalUrl.OriginalString != data.ProcessedUrl)
{
data.Status = RedirectStatus.Redirected;
data.SetUrlChanged();
}
else if (data.OriginalUrl.OriginalString != data.ProcessedUrl)
{
data.Status = RedirectStatus.Modified;
data.SetUrlChanged();
}
else
{
//Is this CURRENT status? - yes
data.Status = RedirectStatus.NotProcessed;
}
}
else
{
//Is this CURRENT status? - yes
data.Status = RedirectStatus.NotProcessed;
}
return data;
}
public void Pricing_index_page_urls(string originalUrl, bool matchesCond, bool matchesRule, string expectedUrl)
{
//Arrange
var samples = new RandomSampleValues();
var factory = new RewriteFactory(samples);
string[] lines =
{
@"RewriteCond %{HTTP:Host} ^directory[2]?\.uship\.com$",
@"RewriteRule ^/tips/showtip.aspx(.*)$ http://www.uship.com/tips/showtip.aspx$1 [NC,R=301]",
@"",
@"# ...",
@"",
@"# Listing Index",
@"RewriteRule ^/pricing/((?:[a-z]|[-])+)/((?:[a-z]|[-])+)(?:/page/([0-9]+))? /listingindex/PricingCommodity.aspx?c=$1&c2=$2&page=$3 [NC,L]",
@"RewriteRule ^/pricing/((?:[a-z]|[-])+)(?:/page/([0-9]+))? /listingindex/PricingCommodity.aspx?c=$1&page=$2 [NC,L]",
@"RewriteRule ^/pricing/?$ /listingindex/?c=4&c2=79 [NC,L]"
};
var lineNum = 1;
var redirects = lines.Select(l => factory.Build(lineNum++, l));
var ruleSet = RewriteRuleSet.BuildRuleSets(redirects);
var redirectData = new RedirectData(originalUrl);
TestConditions(matchesCond, matchesRule, 3, expectedUrl, ruleSet, redirectData);
}
public void Single_ruleset_should_manually_work_as_expected(string originalUrl, bool matchesCond, bool matchesRule, string expectedUrl)
{
//Arrange
//TODO use structure map for getting the instance???:
var samples = new RandomSampleValues();
var factory = new RewriteFactory(samples);
string[] lines =
{
@"RewriteCond %{HTTP:Host} ^(movers|household-goods|vehicles|boats|motorcycles|special-care|freight|pets-livestock|food-agriculture|junk|craigslist)[2]?\.uship\.com$",
@"RewriteRule ^(?!.+\.axd|.+\.ashx|public/images|sticky/images)/([^?]*\u.*)/?(?:[^?]*\u.*)?$ /$1 [CL,R=301]"
};
var redirectData = new RedirectData(originalUrl);
//Act
var lineNum = 1;
var redirects = lines.Select(l => factory.Build(lineNum++, l));
//Assert
var redirectLines = redirects as IList<IRedirectLine> ?? redirects.ToList();
redirectLines.Count().Should().Be(2);
var cond = (RewriteCondition) redirectLines.Single(x => x.LineType == RedirectLineType.Condition);
cond.Variable.Should().Be("HTTP:Host");
cond.MatchesCondition(ref redirectData).Should().Be(matchesCond);
if (matchesCond)
{
var rule = (RewriteRule) redirectLines.Single(x => x.LineType == RedirectLineType.Rule);
redirectData = rule.ProcessRule(redirectData);
if (matchesRule)
{
redirectData.Status.Should().NotBe(RedirectStatus.NotProcessed);
redirectData.ProcessedUrl.Should().Be(expectedUrl);
}
else
{
redirectData.Status.Should().Be(RedirectStatus.NotProcessed);
}
}
}
public void Single_ruleset_should_object_work_as_expected(string originalUrl, bool matchesCond, bool matchesRule, string expectedUrl)
{
//Arrange
var samples = new RandomSampleValues();
var factory = new RewriteFactory(samples);
string[] lines =
{
@"RewriteCond %{HTTP:Host} ^(movers|household-goods|vehicles|boats|motorcycles|special-care|freight|pets-livestock|food-agriculture|junk|craigslist)[2]?\.uship\.com$",
@"RewriteRule ^(?!.+\.axd|.+\.ashx|public/images|sticky/images)/([^?]*\u.*)/?(?:[^?]*\u.*)?$ /$1 [CL,R=301]"
};
var lineNum = 1;
var redirects = lines.Select(l => factory.Build(lineNum++, l));
var ruleSet = RewriteRuleSet.BuildRuleSets(redirects);
var redirectData = new RedirectData(originalUrl);
TestConditions(matchesCond, matchesRule, 1, expectedUrl, ruleSet, redirectData);
}
private static void TestConditions(bool matchesCond, bool matchesRule, int? expectedRuleCount, string expectedUrl, IEnumerable<RewriteRuleSet> ruleSet, RedirectData redirectData)
{
//Act
var matchingSets = ruleSet.Where(r => r.ProcessConditions(ref redirectData));
var rewriteRuleSets = matchingSets as IList<RewriteRuleSet> ?? matchingSets.ToList();
//Assert
if (matchesCond)
{
if (expectedRuleCount != null) rewriteRuleSets.Count().Should().Be(expectedRuleCount);
//TODO this should be a method on RewriteRuleSetCollection...
foreach (var rs in rewriteRuleSets)
{
redirectData = rs.ProcessRules(redirectData);
if (redirectData.Status == RedirectStatus.Redirected)
break;
}
if (matchesRule)
{
//TODO add an option for LAST RULE too?
//redirectData.Status.Should().NotBe(RedirectStatus.NotProcessed);
redirectData.WasRedirected.Should().BeTrue("Was NOT processed when it should have been");
redirectData.ProcessedUrl.Should().Be(expectedUrl);
}
else
{
//redirectData.Status.Should().Be(RedirectStatus.NotProcessed);
redirectData.WasRedirected.Should().BeFalse("Was processed when it should NOT have been");
if (expectedUrl != null) redirectData.ProcessedUrl.Should().Be(expectedUrl);
}
}
else
{
rewriteRuleSets.Count().Should().Be(0);
}
}
public void Vortal_rewrites_alone_should_go_to_correct_domain(string originalUrl, bool matchesCond, bool matchesRule, string expectedUrl)
{
//Arrange
var samples = new RandomSampleValues();
var factory = new RewriteFactory(samples);
string[] lines =
{
@"RewriteCond %{HTTP:Host} ^(movers|vehicles|boats|motorcycles|freight)\.uship\.com$",
@"RewriteRule ^/(.+)$ http://www.uship.com/%1/$1 [CL,NC,R=301]",
@"",
@"RewriteCond %{HTTP:Host} ^pets-livestock\.uship\.com$",
@"RewriteRule ^/(.+)$ http://www.uship.com/pet-shipping/$1 [CL,NC,R=301]",
@"",
@"RewriteCond %{HTTP:Host} ^household-goods\.uship\.com$",
@"RewriteRule ^/(.+)$ http://www.uship.com/furniture/$1 [CL,NC,R=301]",
@"",
@"# 301 these lortals to their vortals, these lortals will not exist",
@"RewriteCond %{HTTP:Host} ^(craigslist|special-care|junk|food)(?:-agriculture)?\.uship\.com$",
@"RewriteRule ^/(.+)$ http://www.uship.com/%1/ [CL,NC,R=301]"
};
var lineNum = 1;
var redirects = lines.Select(l => factory.Build(lineNum++, l));
var ruleSet = RewriteRuleSet.BuildRuleSets(redirects);
var redirectData = new RedirectData(originalUrl);
TestConditions(matchesCond, matchesRule, 1, expectedUrl, ruleSet, redirectData);
}
public RedirectData ProcessRules(RedirectData data)
{
foreach (var rule in Rules)
{
try
{
data = rule.ProcessRule(data);
switch (data.Status)
{
case RedirectStatus.NotProcessed:
//case RedirectStatus.Continue:
continue;
case RedirectStatus.Modified:
data.RuleSetMatched = this;
continue;
case RedirectStatus.Redirected:
data.RuleSetMatched = this;
break;
default:
throw new Exception("Unknown RedirectStatus... code needs to be updated: " + data.Status.ToString());
}
}
catch (Exception ex)
{
throw new Exception("Failed processing rule from line: " + rule.LineNumber, ex);
}
}
return data;
}
