Application Express :: How To Restrict Uploading Files By Mime Type
Oct 26, 2012
I have been searching the forum (and Google) looking for tips on how to ensure users can only upload files of specific formats (Word, PDF, etc) for specific document types as defined within the application (e.g. Curriculum Vitae (Word), Copy of Transcripts (PDF)).
While I have used this research to start work on a server-side solution, I would like to know if there is an apex-friendly way to "validate" a file-browse item based on mime-type.
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Jul 9, 2012
I have multibyte CSV files (extract from BI) : Excel says "Unicode txt" and when I save them from Excel in "Text CSV", they get half the size on the disk.
here is the piece of code where the uploaded file get converted from blob to clob then to varchar2 (CSV Util from Oleg.Lihvoinen [URL]...
SELECT blob_content
INTO v_blob_data
FROM wwv_flow_files
WHERE NAME = p_file_name;
[code]...
I have tried different values for "blob_csid := 873 ;" (and by the way, the list of possible values for this code is very difficult to find : I know, there is a function CS_name to CS_ID but a list would be great), but without any visible effect.If I use the Apex CSV uploader app, the result is the same than with this code.
is an example :
�O�R�A�C�L�E�
instead of :
ORACLE
How I can have these files imported whithout an Excel conversion ?
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Jun 20, 2012
I got error "Upload New Image must be specified. Click browse to select an image from your local computer" while i upload image in shared components>image>create ...
my logo is saved in local drive D. when i browse file and click to upload it gives error that i mentioned. This is happening with every uploading weather its image or weather its plugin.
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Sep 28, 2012
I get an ERR-7621 from Apex whenever I do anything in an application the tries to read a file. For example importing images, css files, themes, or applications. Even the data loader app will get the error if you choose to load a "csv" file. The following appears in my Apex Listener Log (version 2 early adopter). I am running 4.1.1 of Apex and also have another server running the same where the problem does not exist. Following is the log output whenever the load occurs:
Sep 28, 2012 11:21:18 AM com.sun.grizzly.http.servlet.ServletAdapter doService
SEVERE: service exception:
java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
[Code].....
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Jan 2, 2013
My question is, if I define an object type (create type ... as object ...) is it possible to hold a variable of this type as the session level? For example, if I am creating an order using multiple web pages, it would be much easier (and intuitive) to create and manipulate an order object than to hold the data in generic collections.
If that is not possible, is there some way to make a generic Apex collection appear more application specific? By this I mean some way to map the columns C001, C002, ... to more intuitive names such as CUST_NO and ORDER_DATE. I had considered possibly creating a view of the APEX_COLLECTIONS view which would rename the columns but then I would also have to create a bunch of instead of triggers if I wanted to update it as well.
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Jan 6, 2013
I'm trying to find a way to recover my APEX application that I built during 10 months. In the first time, I tried to recover, repair, restore...etc. my corrupted database 11g1 without success, in the end with nerves, I delete everything and reinstalled 11g2. Before to delete, I copied all db files including the corrupted one (system01.dbf).
I had wrote a script in order to export after any big change in my DB, a full database (using exp tool).
So now, What I have is :
1 - New and clean database.
2 - Last full export from the older one.
3 - All db files of the old database (noarchivelog).
I can import my schema that I used in my APEX app to contain data and objects (tables, sequences, triggers, views, packages, functions and procedures). But, I can't restore the APEX app.
Is there any way to recover my app from the export or from dbfiles ?
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Jun 8, 2012
We recently updated to version 4.1.1.00.23, and need to do an export of our static files to migrate from our development to test (ApEx run-time) platform. When our DBA attempted to run the export script (we had renamed it from static_file.sql to browser_detect.sql), he received this error:
SQL> @browser_detect.sql
Set Credentials...
Check Compatibility...
Set Application ID...
...static file repository
p_notes=> '');
*
ERROR at line 14:
ORA-06550: line 14, column 5:
PLS-00103: Encountered the symbol "P_NOTES"
when expecting one of the following:
. ( ) , * % & = - + < / > at in is mod remainder not rem
<an exponent (**)> <> or != or ~= >= <= <> and or like LIKE2_
LIKE4_ LIKEC_ between || multiset member SUBMULTISET_
The symbol "(" was substituted for "P_NOTES" to continue.
ORA-06550: line 14, column 18:
PLS-00103: Encountered the symbol ";" when expecting one of the following:
. ( ) , * % & = - + < / > at in is mod remainder not rem
<an exponent (**)> <> or != or ~= >= <= <> and or like LIKE2_
LIKE4_ LIKEC_ between || multiset
We took a look at static_file.sql, and noticed this:
declare
l_name varchar2(255);
l_html_id number := null;
begin
l_name := 'browser_detect.js';
wwv_flow_html_api.remove_html(
[code].......
The comma is missing after the p_flow_id parameter. This appears to be a bug in the export. It appears to be happening pretty consistently (other static files for this application, other static files for other existing applications).
I did a search of the forum to see if this issue reported this and checked listing on OTN and I don't see any reference to this particular issue. We're hesitant to just add the comma right now since we don't know whether there may be any other issues in the file it's generating.
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Jan 12, 2013
I have two tables, one with the customer address and another one with a note. May I know how to create a separate PDF file (for each customer) that should start with the customer name/address (from customer table) and followed by a note (from the note table)
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Jul 30, 2013
Using Apex 3.2 version , Need to Upload .CSV Files to the Table (T_UPLOAD),
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Dec 15, 2012
There is a report that is generated everyday in the .csv file format that i would want to load into the database. I want to completely automate this process. I don't want to use the load function available in APEX. I use APEX 3.2 Version.
What i mean by automation is that i will create the CSV file and automatically move to a location from which APEX can access the data. I would then write a procedure to fetch the content directly from CSV file and write to the database. What i need is the location from which APEX can access data directly ?
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Apr 11, 2013
I'm using apex 4.2.1.00.08 and I cannot figure out how apex manages the static files and cannot find anything in the docs (other that some high level UI description). The application is serving some file and I cannot find which one it is in any easy way.
I have a workspace where there are several files that have the same name, and I cannot understand how apex figures out which one to serve, and also don't understand what is value of associating a file with an application.
There are files associated with application 0, which don't appear to show up in the "shared components", but can be seen as
SELECT *
FROM wwv_flow_files
WHERE flow_id = 0;
and can apparently only be deleted using "SQL Commands" inside apex. the URL called is something like
wwv_flow_file_mgr.get_file?p_security_group_id=13498126233076320&p_fname=myfile.css
so apparently the only parameters that matter are the workspace and the file name. The associated application is irrelevant. apparently files linked to flow_id 0 have precedence over all the other files..
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Apr 3, 2013
I´m newbie as Apex developer using Apex 4.0 with OracleXE 11.2, and now my problem is:
I have a tabular form where one of the columns, when calling the form, is a Display Item, so that you cannot change existing values.
I want, when adding a new row, that column become a Select List (named LOV) based on a query that exclude existing values in other rows already inserted.
Can I change that Display Item to Select List (named LOV) programmatically at runtime? If not, what other options do I have?
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Mar 25, 2013
Application which I`m creating would work only inside domain. In the report I would like to have a link to files that stored outside from oracle server ( so apex cannot see the file but knows the absolute path to the file ).
And when I click in the report on the link to the file I would like to have this file opened in the application controlled from my OS ( naturally if I have rights to the path specified given from domain level).
I have been trying with column link ( a href, file:// ) and none of them works. I want to avoid APEX from copying files to local path or opening using java or creating directory.
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May 24, 2013
I was just wondering what people's thoughts and experiences are regarding performance of conditional expressions.
Tony blogs about it here
[URL}.........
And gives the example
1) Value of item/column in Expression 1 = Expression 2Expression 1: P1_JOB
Expression 2: SALESMAN
2) PL/SQL Expression
Expression 1: :P1_JOB = ‘SALESMAN’>
Recently I've been trying to eke every shortcut I can with an application and noticed this can be a contributing factor when done dozens of times within a page render.
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Jan 14, 2013
if it is possible to include 'data' files as part of the Application Export process. Up till now I've only been able to include supporting object files which will recreate a table structure but not the data records - I've been creating the latter outside of APEX.
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Jul 27, 2012
I am working on APEX 4.1.1 on Linux server. I have created one application in which I have take a HTML region where i have written the following code:
<input type="text" id="APP_ITEM1" name="APP_ITEM1" />
I am able to see the text box in page, but not able to fetch the value from it.
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Apr 17, 2013
After Upgrading to Apex 4.2
When uploading a static text/javascript file (i.e. filename = 'thisFile.js') the file Mime Type defaults to 'application/octet-stream' (instead of 'text/javascript'). This issue occurs in I.E. 8 but not in Firefox.
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Jul 13, 2012
how to change the font size for an item of type display only ?
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May 22, 2013
I have an Image Type on a forum page. I want a default "not-found" image to display if the BLOB column value is null or if there is no data for that search value. The image is stored with the app: #APP_IMAGES#not-found.png
APEX 4.2 (with listener) on Oracle 11gR2
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Oct 3, 2010
I have used webutil_file_transfer.Client_To_AS_with_progress to upload files from client to Application Server using Forms 10g.However, now i want to save file in database and not upload to database as blob.I mean I want to save the file from client TO a folder available in the database server.I was wondering, there is no documentation available on WEBUTIL.
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Apr 22, 2013
Getting Error while uploading payment using API ap_checks_pkg.Insert_Row:
ORA-20001: APP-SQLAP-10000: ORA-01403: no data found occurred in
AP_AC_TABLE_HANDLER_PKG.INSERT_ROW<-AP_CHECKS_PKG.INSERT_ROW<-
with parameters (ROWID = , CHECK_ID = 39368)
while performing the follow
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Mar 6, 2013
I am trying to upload the data into emp table through sqlloader and facing the following error.
col1 in the data file size is 300.
After reduced the length to 200 and its getting inserted successfully.
EMP
-----
COL1 varchar2(300)
Error in Sql log file :-
value used for ROWS parameter changed from 64 to 10
Record 1: Rejected - Error on table "SCOTT"."EMP", column COL_1.
Field in data file exceeds maximum length
Version : SQL*Loader: Release 11.2.0.3.0 - Production on Mon Mar 4 15:53:55 2013.
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Jan 25, 2013
I am running emca -config all db -repos recreate command and recreating the repository. Doing so I am getting error while uploading the repository. The Drop and Create is going fine. The exception that I am getting is :
CONFIG: Error uploading configuration data to the repository
oracle.sysman.emdrep.config.ConfigurationException: FATAL Configuration Exceptions
at oracle.sysman.emdrep.config.EMSchemaConfiguration.perform(EMSchemaConfiguration.java:232)
at oracle.sysman.emcp.EMReposConfig.uploadConfigDataToRepository(EMReposConfig.java:699)
at oracle.sysman.emcp.EMReposConfig.invoke(EMReposConfig.java:385)
[Code]..
And the emca config file is showing exception with i18N jar file.
oracle.sysman.emdrep.config.EMSchemaConfiguration$ConfigInstance run
SEVERE: null
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[Code]...
Exception Occured during Execution of oracle.sysman.emdrep.util.TransxWrapper
why this exception is coming while uploading the reporsitory.
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Feb 19, 2013
I have a form that upload an excel file to the database . I make for in it a browsing button for the uploaded file and take the path (e.g c:upload.xls) when the procedure of upload work. it always search for the path on the application server and thats wrong . I want it to search on the client machine for that path .
PROCEDURE XLS IS
BEGIN
DECLARE
application OLE2.OBJ_TYPE;
workbooks OLE2.OBJ_TYPE;
workbook OLE2.OBJ_TYPE;
worksheets OLE2.OBJ_TYPE;
worksheet OLE2.OBJ_TYPE;
cell OLE2.OBJ_TYPE;
args OLE2.OBJ_TYPE;
[code]........
you see this
filename := :block7.FILE_NAME; (5th line from the begin block)
:block7.FILE_NAME is the path that i said as an example c:upload
That path is on the client machine the form trying to open that path from the application server.
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Dec 9, 2011
my application run very well on xp but with vista the webutil can't upload a file.
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Apr 18, 2013
When i am uploading data in an excel file to my Forms(Windows) the screen works fine but when i am uploading the same excel file to my forms in AIX(Where the application is running) the data is uploaded with decimal points.
The field is a char type and no format mask is set.
E.g. :
Actual data: In Form(Windows) In Form (AIX)
4080026 4080026 4080026.0
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Mar 14, 2012
I have got an issue while uploading the raster data which are in .img format, the upload process is very slow.Previously it was done in 6-8 mins for 10 images but now it is of 30min and even 1 hour too..
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May 28, 2013
When i am uploading data in an excel file to my Forms(Windows) the screen works fine . But when i am uploading the same excel file to my forms in AIX(Where the application is running) the data is wrongly uploaded . The field is a number type and no format mask is set.
E.g. :
Actual data:---------- In Form(Windows)------In Form (AIX)
3101513480750030000 3101513480750030000 3101513480750029800
I am using below code to copy the value
cell_value :=Client_OLE2.get_num_property(cell, 'Value');
COPY(cell_value,'data.field'||k);
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Jan 10, 2012
I am using SQL Loader to load data from text file to DB. non-ASCII characters present in the text file is not uploaded correctly to DB.
Sample Data
test data üindex
Data in DB
test data ?index
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Oct 21, 2010
I'm uploading data from excel to our database using forms thru webutil. The problem is when I open the same excel file while the upload process is in progress, the uploading stops, BUT not displaying any error. Not even when I chick Help->Show error.
How could I prevent this error and how to trap and display error message?
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