Escape special characters in url for redirection

In my web page, I want all the characters of the URL to be lower case. For that I created the following method:
private bool UrlFormatoCorrecto(string url)
bool formatoCorrecto = true;
bool upperCa = url.Any(c => char.IsUpper(c));
if (url.Any(c => char.IsUpper(c)))
formatoCorrecto = false;
if (url.Contains(" ") || url.Contains("+"))
formatoCorrecto = false;
return formatoCorrecto;
This works like a charm until a special character appears. The url that I get then will be the following:
http://localhost/web/coches/proven%C3%A7a-aribau,-08036-barcelona,-barcelona
So I have upper case characters. When I redirect it using the following code:
if (!UrlFormatoCorrecto(urlActual))
Response.RedirectPermanent(urlActual.Replace(" ", "-").Replace("+", "-").ToLower());
I get the code again with the same URL with upper case. How can I escape the special characters so they won't bother me anytime I want to make the redirection?

hello,
you could escape special caracters with :
Regex.Escape Method
Regards
Cédric

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Passing values w/special characters in URL into an interactive report

Hello,
I have a problem and Ive been all over these forums and reading/trying everything I can to get something to work. I have a page that has a field called Name Search. The field is a TextField with autocomplete type. If I select a company name that contains special characters, like 'Blue Shield of California Life *&* Health Insurance Company', when I click go button (using a branch), it is supposed to pass this value into the URL to populate IR_COMPANY_NAME on the interactive report page to create the report filter. However, when it goes to the IR page, it actually filters on 'Blue Shield of California Life *& amp;* Health Insurance Company' with 'amp;' instead of & and doesnt find any matches. In the page source it is actually 'value="Blue Shield of California Life *& amp; amp ;* Health Insurance Company." Here is the URL that it produces:
http://webtest2:7775/apex/f?p=102:IRCompanyList:995769774353901::NO:5,RIR:IR_COMPANY_NAME,P5_COMPANY_NAME:Blue%20Shield%20of%20California%20Life%20%26amp%3B%20Health%20Insurance%20Company,Blue%20Shield%20of%20California%20Life%20%26amp%3B%20Health%20Insurance%20Company
The interesting thing is that I have another page that has a clasic report that lists all compnaies by name and the company_name is a link that passes the company name into the exact same IR and it works fine. In the page source it is value="Blue Shield of California Life *&* Health Insurance Company" Here is the URL that this page produces:
http://webtest2:7775/apex/f?p=102:5:995769774353901::NO:4,RIR:IR_COMPANY_NAME,P5_COMPANY_NAME:Blue%20Shield%20of%20California%20Life%20%26%20Health%20Insurance%20Company,Blue%20Shield%20of%20California%20Life%20%26%20Health%20Insurance%20Company
I have modified every field involved changing between encoding, no encoding, changing display types (Standard Report Column, Remove HTML and escape special characters, etc). I have also attempted to encode the value myself prior to sending it to the next page. I have tried variations of the htf.escape_sc etc. I have also tried adding \&P2_COMPANY_NAME.\. I have also tried adding pl/sql to create a collection to store the values and then pl/sql to fill the values on the report page. It gives me the success message I setup, but it never actually fills the value.
I am also having problems with another field that has a comma in it. I will wait to address that one to see if I can fix this first with hopes that it can be resolved by whatever I do to fix this issue.
Any suggestions? I appreciate any feedback!
Jen
Edited by: J-Lig on Jul 13, 2012 10:20 AM
Edited by: J-Lig on Jul 13, 2012 10:21 AM

Thank you for your feedback!
Yes, I forgot to mention that. It does come from a table, but company_name is not unique in that table. Meaning, it wouldnt know which ID to pass. Perhaps I should seperate the name out into another table and then I could pass the id. I was just hoping to get this to work programatically since the links from classic reports actually work correctly. I am starting to think this is a bug. This issue appears to have been addressed to make the links from reports pass the & correctly, but not in the branching?
I have attempted to replace and then re-replace but I couldnt get it to work with IR_ fields as the filter fields are generated by the Interactive Report region. Do you have any insight working with those? Are there any tricks to it that I might be missing?

SQL Injections and XSS - Escaping Special Characters

Hi, hope someone can help in regards to security and SQL Injections and XSS.
We are using APEX 4.0.2 on Oracle 11.2.0.2.
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Surely I don't have to manually do each of then.
Just to confirm, am I looking in the correct places to assess if the characters are escaped or not - ie should they show as '&<>' in session state and/or the database ?
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Thx
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Recx Ltd wrote:
Just to pitch in, escaping values internally (either in the database or session state) is extremely problematic. Data searches, string comparison, reporting and double escaping are all areas which suffer badly when you do this.
Stripping characters on input can also cause problems if not considered within the context of the application. Names such as "O'Niel", statistical output such as "n < 300", fields containing deliberate HTML markup can be annoying to debug. In certain situations stripping is totally ineffective and may still lead to cross-site scripting.
Apex applications that share the database with other applications will also be affected.
The database should contain 'raw' unfettered data and output should be escaped properly, as Joel said, at render time. Either with Apex attributes or using PLSQL functions such as htf.escape_sc() as and when required.Do not needlessly resurrect old threads. After a couple of months watches expire and the original posters are not alerted to the presence of your follow-up.
Shameless plug: If you are in the game of needing to produce secure Apex code, you should get in touch.This crosses the line into spam: it violates the OTN Terms of Use—see 6(j).
Promotional posts like this are liable to be removed by the moderators.

In Pages for iPad is it possible to insert special characters like those for logic and math?

Hello there,
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Escape special characters for OData response

Hi all,
I'm facing a problem on HTTP response when some special characters are in my entity fields.
For example I've got a Edm.String field which has characters like ###, ", < (two number signs ## are ok, but three invoke an error)
When I set output format to xml via URI parameter $format=xml, I get following error:
<message xml:lang="en">In the context of Data Services an unknown internal server error occured</message>
Exception /IWCOR/CX_DS_INTERNAL_ERROR in class /IWCOR/CL_DS_EP_WRITER_OUTPUT method /IWCOR/IF_DS_EP_WRITER_OUTPUT~WRITE and Line 39
If I use JSON as output format, HTTP response code is 200!!, but payload just ends on the character which cannot be interpreted:
(ABAP)-JSON generator can handle double quotes much better than XML format:
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Hi Uwe & Ron,
thanks for your ideas, but maybe we're not talking about binary data?! This field is an example from TADIR table.
OData entity definition for this field:
Versid
Edm.String
0
0
20
ABAP field definition:
Data Type        CHAR - Character String
No. Characters       20
Decimal Places        0
Output Length        20
Convers. Routine    <empty>
Uwe did you mean another debugger view?
SE16 output for this line:
What if I want to store and receive data with these special chars like ####, ", <, >,... in a ABAP char field (respective OData Edm.String)?
Thanks,
Steffen

Strategies for escaping special characters.

Hi all,
Our app(built using Workshop) needs to have a generic way of scrubbing special
characters that a user might enter in the UI,and which might cause our sql that
queries the DB to become malformed. To explain further,some of our DB controls
are not using PreparedStatements to set Strings..instead, we are constructing
the sql as a java string like:
String myQuery="Select * from * where TOUPPER(name) like"+param.ToUpperCase().
and then we do:
Statement stmt=conn.createStatement();
stmt.executeQuery(myQuery).
In such cases, Oracle JDBC driver does not escape any special chars in the String
param,and fails.Other than converting all our queries to use PreparedStatements,
is there a generic pattern/Util class(mebbe RequestUtils) or some way of using
the Servlet Filter API to scrub out any special chars that are input by the user?
Thanks in advance.
Vik.

ServletFilter is the way to go on this one. Don't think there is anything built
into Servlet spec that handles these characters, however, there are a number of
sample filters that do such a task. I think there is a sample in either the O'Reilly
book on Servlets or Core Servlets.
"Vik" <[email protected]> wrote:
>
Hi all,
Our app(built using Workshop) needs to have a generic way of scrubbing
special
characters that a user might enter in the UI,and which might cause our
sql that
queries the DB to become malformed. To explain further,some of our DB
controls
are not using PreparedStatements to set Strings..instead, we are constructing
the sql as a java string like:
String myQuery="Select * from * where TOUPPER(name) like"+param.ToUpperCase().
and then we do:
Statement stmt=conn.createStatement();
stmt.executeQuery(myQuery).
In such cases, Oracle JDBC driver does not escape any special chars in
the String
param,and fails.Other than converting all our queries to use PreparedStatements,
is there a generic pattern/Util class(mebbe RequestUtils) or some way
of using
the Servlet Filter API to scrub out any special chars that are input
by the user?
Thanks in advance.
Vik.

How to escape special characters in Simple Transformation

Hi Experts,
I have got a problem to get a well formed xml document from the below simple transformation. The content of maktx contains
special characters like & <, which are not allowed in a well formed XML-Document. But the result of the Simple Transformation
contains this charcters even after the transformation as you can the in the result below. Has anyone a hint how to escape the
characters included in the maktx.
The transformation for maktx, should be something like
Before: Material & < TEST
After: Material &amp &lt TEST
Report wihich calls the simple transformation
types:
BEGIN OF t_mat,
   matnr type matnr,
   maktx type maktx,
end of t_mat.
Data:
mat type t_mat,
xml_stream type xstring.
START-OF-SELECTION.
mat-matnr = '4711'.
mat-maktx = 'Material & < Test'.
CALL TRANSFORMATION ztest_st2
        SOURCE mat = mat
        RESULT XML xml_stream.
CALL FUNCTION 'DISPLAY_XML_STRING'
EXPORTING xml_string = xml_stream.
Simple Transformation
<?sap.transform simple?>
<tt:transform xmlns:tt="http://www.sap.com/transformation-templates">
<tt:root name="MAT"/>
<tt:template>
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        <CHARACT> MATNR </CHARACT>
        <CHARACT_DESCR> Materialnummer </CHARACT_DESCR>
        <VALUE tt:value-ref="MAT.MATNR"/>
        <CHARACT> MAKTX </CHARACT>
        <CHARACT_DESCR> Materialkurztext </CHARACT_DESCR>
        <VALUE tt:value-ref="MAT.MAKTX" />
    </Leistungsschild>
</tt:template>
</tt:transform>
RESULT
<?xml version="1.0" encoding="utf-8" ?>
<Leistungsschild>
<CHARACT>MATNR</CHARACT>
<CHARACT_DESCR>Materialnummer</CHARACT_DESCR>
<VALUE>4711</VALUE>
<CHARACT>MAKTX</CHARACT>
<CHARACT_DESCR>Materialkurztext</CHARACT_DESCR>
<VALUE>Material & < Test</VALUE>   </Leistungsschild>

Hi Sandra,
First of all thaks for your quick answer to my problem.
I see what you mean and get the same result, if I am using data-type string instead of xstring. But the recommendation in the XML-Books of SAP is to use XSTRING to save memory and circumflex problems between Codepages, when writing the XML-Stream to a filesystem.
As you can see in the code abvoe I am using a SAP-FM to display the XML-Stream and this FM works only with XSTRING´s,
that is one reason why I don´t understand that it displays it in the wrong way.
Even the Debugger shows me for the XSTRING the wrong result. Does all that mean that the escaping will not be applyed if you are working with XSTING´s??

Dreamweaver still encodes special characters in URL - Bug?

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If I just paste the link into the control panel then click elsewhere the link is set and no formatting occurs. If I paste it in, then hit Enter the URL changes to %Ü%%
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I just tried it and it's happening in both.
How it's occuring to me:
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Using a variable to insert into a URL for redirecting clients

I got a good one, can anyone help on this?
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We are in the process of adding this Excel add-in to other products.
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Michael F Weart
[email protected]

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(1) determine the product they are accessing
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These online webhelp outputs have some identical content but also some customized content for the specific product they are actually accessing.
My original approach was pretty much the same as William's above. Have a variable in the CHM help, determine the server they are accessing from the plug-in and insert the customized portion of the URL to access the appropriate webhelp.
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[email protected]

Using Double Byte Characters in URL For Session Variables

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Hi Bryan,
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Edited by: Michael Appleby on Jul 8, 2008 5:23 PM

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Hi,
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Special characters in URL parameters retrieved as question marks

Hello,
I am posting a simple HTML form to a WebDynpro application, and then I retrieve the 2 parameters with the following code :
IWDWebContextAdapter adapter = WDWebContextAdapter.getWebContextAdapter();
String comment= adapter.getRequestParameter("comment");
Problem : some special characters (those with accents for instance) are retrieved as question marks. Their ascii character is always 65533 (unicode rather?).
I guess this is a problem of charset, but where could I change it ?
Trying to encode afterwards does not change the characters, I always get the question marks. But I may not do it the right way...
Any hint on that ?
Thanks a lot.
Best Regards,
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Hi,
refer to following code.
Stop using deprecated object IWDWebContextAdapter
IWDProtocolAdapter adapter = WDProtocolAdapter.getProtocolAdapter();
     try {
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          String str = new String(comment);
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Ashu

Howto escape special characters if using regexp_replace & regexp_substr

hello experts,
following test case
insert into querytest1 (d) values
('#1(170):[{"type":"FACEBOOK","count":0,"lastEdition":1382627403299},{"type":"GOOGLE","count":0,"lastEdition":1381825285002},{"type":"EMAIL","count":2,"lastEdition":1381826322925}] #2(0): #3(5):-3141 #4(5):-3141 #5(5):21804 #6(7):3890750 #7(3):s11');
select regexp_replace(d, REGEXP_SUBSTR (REGEXP_SUBSTR(d, '[^ ]+', 1, 1), '[^:]+', 1, 2 ),'') from querytest1;
ERROR at line 1:
ORA-12726: unmatched bracket in regular expression
proof that []{} special characters are the problem:
delete from querytest1;
commit;
-- insert data without special characters
insert into querytest1 (d) values ('#1(170):"type":"FACEBOOK","count":0,"lastEdition":1382627403299,"type":"GOOGLE","count":0,"lastEdition":1381825285002,"type":"EMAIL","count":2,"lastEdition":1381826322925] #2(0): #3(5):-3141 #4(5):-3141 #5(5):21804 #6(7):3890750 #7(3):s11');
select regexp_replace(d, REGEXP_SUBSTR (REGEXP_SUBSTR(d, '[^ ]+', 1, 1), '[^:]+', 1, 2 ),'') from querytest1;
REGEXP_REPLACE(D,REGEXP_SUBSTR(REGEXP_SUBSTR(D,'[^]+',1,1),'[^:]+',1,2),'')
#1(170)::"FACEBOOK","count":0,"lastEdition":1382627403299,:"GOOGLE","count":0,"lastEdition":1381825285002,:"EMAIL","count":2,"lastEdition":1381826322925,:"EMAIL","count":2,"lastEdition":1381826322925] #2(0): #3(5):-3141 #4(5):-3141 #5(5):21804 #6(7):3890750 #7(3):s11
so now it works because there are no special characters []{}
is there a way to escape them?
thank you in advance.

oraman wrote:
ok you're right I explain from the beginning.
create table t (q varchar2(4000), d varchar2(4000), result varchar2(4000));
insert into t (q,d) values ('#1(170):[{"type":"FACEBOOK","count":0,"lastEdition":1382627403299},{"type":"GOOGLE","count":0,"lastEdition":1381825285002},{"type":"EMAIL","count":2,"lastEdition":1381826322925}] #2(0): #3(5):-3141 #4(5):-3141 #5(5):21804 #6(7):3890750 #7(3):s11',
'UPDATE mytable set value=:1 , valuec=:2 , longvalue=:3 , doublevalue=:4 WHERE productattrnameid=:5 AND productid=:6   AND context=:7');
I would like to get the following:
select result from t;
UPDATE mytable set value='[{"type":"FACEBOOK","count":0,"lastEdition":1382627403299},{"type":"GOOGLE","count":0,"lastEdition":1381825285002},{"type":"EMAIL","count":2,"lastEdition":1381826322925}]' , valuec=NULL , longvalue=-3141 , doublevalue=-3141 WHERE productattrnameid=21804 AND productid=3890750   AND context='s11';
the logic is to get the auditing data as ready to execute queries.
It looks you want to include every parameter where parameter is a pattern prefixed by #p1(lenght):param_value #p2(lenght):param_value etc.
Something like this?
set line 1000
col txt format a200
with querytest1 as
select '#1(170):[{"type":"FACEBOOK","count":0,"lastEdition":1382627403299},{"type":"GOOGLE","count":0,"lastEdition":1381825285002},{"type":"EMAIL","count":2,"lastEdition":1381826322925}] #2(0): #3(5):-3141 #4(5):-3141 #5(5):21804 #6(7):3890750 #7(3):s11' d
from dual
select 'UPDATE mytable set value='''|| nvl(trim(regexp_substr (d,'#\d+$\d+$:([^# ]+)', 1, 1, null, 1 )), 'NULL')||''''
       || chr(10) ||'     , valuec='||nvl(trim(regexp_substr (d,'#\d+$\d+$:([^#]+)', 1, 2, null, 1 )), 'NULL')
       || chr(10) ||'     , longvalue='|| nvl(trim(regexp_substr (d,'#\d+$\d+$:([^#]+)', 1, 3, null, 1 )),'NULL')
       || chr(10) ||'     , doublevalue='||nvl(trim(regexp_substr (d,'#\d+$\d+$:([^#]+)', 1, 4, null, 1 )),'NULL')
       || chr(10) ||' WHERE productattrnameid='||regexp_substr (d,'#\d+$\d+$:([^#]+)', 1, 5, null, 1 )
       || chr(10) ||'   AND productid='||regexp_substr (d,'#\d+$\d+$:([^#]+)', 1, 6, null, 1 )
       || chr(10) ||'   AND context='''||regexp_substr (d,'#\d+$\d+$:([^#]+)', 1, 7, null, 1 )||''';' txt
from querytest1;
Result:
TXT
UPDATE mytable set value='[{"type":"FACEBOOK","count":0,"lastEdition":1382627403299},{"type":"GOOGLE","count":0,"lastEdition":1381825285002},{"type":"EMAIL","count":2,"lastEdition":1381826322925}]'
     , valuec=NULL
     , longvalue=-3141
     , doublevalue=-3141
WHERE productattrnameid=21804
   AND productid=3890750
   AND context='s11';
1 row selected.
I have a problem formatting the output in the forum but I hope you get it.
Regards.
Alberto

Urgent!!!!! escape special characters like -,& -

Hi
select prt_id from pr_prt where contains(prt_id,'04801\-')>0;
The above query returns foll
04801
04801-04051
I was expecting the result to be 04801-04051.
does any one hv any idea abt this?
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regards
priya
null

Interesting question...
The API says...
Quotation
\      Nothing, but quotes the following character
\Q      Nothing, but quotes all characters until \E
\E      Nothing, but ends quoting started by \QTry it... and please could you post your code when you're done... I might find it useful... and maybe I can even polish it a bit.... quid pro quo.
Cheers. Keith.

How to escape special characters in a region title

I have created a drill down report where the second report is filtered by a value chosen in the first report. I am using &Pn_field. syntax to pass the name of the select value to the region title of the second report. Some of the returned values have a ':' in them and therefore the text does not print after the ':'. How do I escape the ':' in the region title?
regards
Paul P

Paul,
I think your question is "How do I use f?p URL syntax to pass data values to a page where the data includes a colon?" (Please correct me if that's not the issue.) The answer is, you can't. Same with commas. HTML DB reserves those two characters for the f?p request syntax. You'll have to save the string into the item before the page branch. There is no restriction on what characters can be used in a region title, it's just HTML-formatted text, except that you must escape anything that looks like HTML unless you want the browser to treat it as HTML. There are restrictions, however, on what characters you can pass in URLs in general and you must take care to escape them properly, e.g., ?, &, whitespace.
And do speak up if I've missed the point.
Scott

Escape special characters in url for redirection

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