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  3. Open a file from server

Open a file from server

Scheduled Pinned Locked Moved Web Development
questionphphtmldatabasecom
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  • H hiral_shah

    No I got the file in the same browser with not readable fonts that are like square, circle etc. But I want the same file in open another browser with the same formating that has been in the file located at the server.

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    Bradml
    wrote on last edited by
    #4

    If i understand correctly you want them to be able to, say, have the "save file" dialog pop up. If so you want:

    header('Content-Disposition: attachment; filename="[FILE NAME]"');


    Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

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    • B Bradml

      If i understand correctly you want them to be able to, say, have the "save file" dialog pop up. If so you want:

      header('Content-Disposition: attachment; filename="[FILE NAME]"');


      Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

      H Offline
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      hiral_shah
      wrote on last edited by
      #5

      No dear, I want just the file from the server that is only readable. the user can not save it directly. suppose there is a ".doc" file and the user click on it's link then he should read the content of that file from the window itself.

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      • H hiral_shah

        No dear, I want just the file from the server that is only readable. the user can not save it directly. suppose there is a ".doc" file and the user click on it's link then he should read the content of that file from the window itself.

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        Bradml
        wrote on last edited by
        #6

        Then you are going to need the "Content-type: [content type]" header. You can get the value when it is first uploaded:

        $fileType = $_FILES['NAME']['type'];

        //This is an example of using this value.

        str_replace("\n", "", $fileType); //Security
        str_replace("\r", "", $fileType); //Security

        header("Content-type: {$fileType}"); //Send Header

        echo $File; //Echo the file down.


        Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

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        • B Bradml

          Then you are going to need the "Content-type: [content type]" header. You can get the value when it is first uploaded:

          $fileType = $_FILES['NAME']['type'];

          //This is an example of using this value.

          str_replace("\n", "", $fileType); //Security
          str_replace("\r", "", $fileType); //Security

          header("Content-type: {$fileType}"); //Send Header

          echo $File; //Echo the file down.


          Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

          H Offline
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          hiral_shah
          wrote on last edited by
          #7

          Hi, Actually what I am doing is: 1> The user will upload a file to the server 2> I am storing that file information like, server path with file name and extension, associated text(show to the user by clicking on which it will show the file on that path that is stored for that text) 3> Now the another user wants to open that uploaded file so he will search by associated text and will get some link with them. 4> Now when he will click on some associated text, the path for that text will be there and the file should display over there or in another window to that user. upto 3rd point is working properly but 4th point is not. Hope you can get better idea from this what I want to do. I am waiting for your reply.:)

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          • H hiral_shah

            Hi, Actually what I am doing is: 1> The user will upload a file to the server 2> I am storing that file information like, server path with file name and extension, associated text(show to the user by clicking on which it will show the file on that path that is stored for that text) 3> Now the another user wants to open that uploaded file so he will search by associated text and will get some link with them. 4> Now when he will click on some associated text, the path for that text will be there and the file should display over there or in another window to that user. upto 3rd point is working properly but 4th point is not. Hope you can get better idea from this what I want to do. I am waiting for your reply.:)

            B Offline
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            Bradml
            wrote on last edited by
            #8

            Hmm, well when they file is uploaded could you not store the file type when they upload it?


            Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

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            • B Bradml

              Hmm, well when they file is uploaded could you not store the file type when they upload it?


              Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

              H Offline
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              hiral_shah
              wrote on last edited by
              #9

              well I can store the type too.

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              • H hiral_shah

                well I can store the type too.

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                Bradml
                wrote on last edited by
                #10

                Wit, now i think i know what the problem is: is it that you don't know how to get the file for the user?


                Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

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                • B Bradml

                  Wit, now i think i know what the problem is: is it that you don't know how to get the file for the user?


                  Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

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                  hiral_shah
                  wrote on last edited by
                  #11

                  :-D You got the problem that I am having

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                  • B Bradml

                    Wit, now i think i know what the problem is: is it that you don't know how to get the file for the user?


                    Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

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                    hiral_shah
                    wrote on last edited by
                    #12

                    Have you any idea how can I get the file from server and show it to the user as per its format???

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                    • H hiral_shah

                      Have you any idea how can I get the file from server and show it to the user as per its format???

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                      Bradml
                      wrote on last edited by
                      #13

                      Ok do you mean just send it to them as if they have requested it from the server normally or do you mean in a way that the browser will save it to disk?


                      Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

                      H 1 Reply Last reply
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                      • B Bradml

                        Ok do you mean just send it to them as if they have requested it from the server normally or do you mean in a way that the browser will save it to disk?


                        Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

                        H Offline
                        H Offline
                        hiral_shah
                        wrote on last edited by
                        #14

                        I want that dialogbox that will ask the user to save or open the file he is asking for. The dialogbox that is appears for normally we are downloading some attachment from the mail which asking to open file temporary or want to save it.

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                        • H hiral_shah

                          I want that dialogbox that will ask the user to save or open the file he is asking for. The dialogbox that is appears for normally we are downloading some attachment from the mail which asking to open file temporary or want to save it.

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                          Bradml
                          wrote on last edited by
                          #15

                          The code I gave you before (Content-disposition) will do that for you.


                          Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

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                          • B Bradml

                            The code I gave you before (Content-disposition) will do that for you.


                            Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

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                            hiral_shah
                            wrote on last edited by
                            #16

                            Its give me an error "Warning: Cannot modify header information - headers already sent" on following line, header("Content-type: {$fileType}"); do you have any alternative??

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                            • H hiral_shah

                              Its give me an error "Warning: Cannot modify header information - headers already sent" on following line, header("Content-type: {$fileType}"); do you have any alternative??

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                              Bradml
                              wrote on last edited by
                              #17

                              Ok this error is because you have not started the document with the <?php tag. Although this is a common mistake it is made by many people. Make sure there is no blank space in the file before the php tag and make sure that you don't echo or print anything to the browser before the header function executes.


                              Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

                              H 1 Reply Last reply
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                              • B Bradml

                                Ok this error is because you have not started the document with the <?php tag. Although this is a common mistake it is made by many people. Make sure there is no blank space in the file before the php tag and make sure that you don't echo or print anything to the browser before the header function executes.


                                Brad Australian - Captain See Sharp on "Religion" any half intelligent person can come to the conclusion that pink unicorns do not exist.

                                H Offline
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                                hiral_shah
                                wrote on last edited by
                                #18

                                Well I have used only one php file for the whole application So php tags are there as per they should. I just use cases for doing different things. I wrote : associatedText And there is no echo after the linked text is clicked.

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                                • H hiral_shah

                                  Well I have used only one php file for the whole application So php tags are there as per they should. I just use cases for doing different things. I wrote : associatedText And there is no echo after the linked text is clicked.

                                  B Offline
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                                  Bradml
                                  wrote on last edited by
                                  #19

                                  can you please email me the source code so i can see what is going on.


                                  Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

                                  B 1 Reply Last reply
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                                  • H hiral_shah

                                    Well I have used only one php file for the whole application So php tags are there as per they should. I just use cases for doing different things. I wrote : associatedText And there is no echo after the linked text is clicked.

                                    B Offline
                                    B Offline
                                    Bradml
                                    wrote on last edited by
                                    #20

                                    OK two problems that jump out at me from the scripts you sent is that you have a character before the first tag in the library and also you have a blank line at the end of it. Because of this it will send all headers down before you can modify them.


                                    Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

                                    H 1 Reply Last reply
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                                    • B Bradml

                                      can you please email me the source code so i can see what is going on.


                                      Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

                                      B Offline
                                      B Offline
                                      Bradml
                                      wrote on last edited by
                                      #21

                                      OK two problems that jump out at me from the scripts you sent is that you have a character before the first tag in the library and also you have a blank line at the end of it. Because of this it will send all headers down before you can modify them.


                                      Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

                                      1 Reply Last reply
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                                      • B Bradml

                                        OK two problems that jump out at me from the scripts you sent is that you have a character before the first tag in the library and also you have a blank line at the end of it. Because of this it will send all headers down before you can modify them.


                                        Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

                                        H Offline
                                        H Offline
                                        hiral_shah
                                        wrote on last edited by
                                        #22

                                        I can not open the file from server yet. Please tell me how can I open it??

                                        -------------------------------------------------------------------------------------------------- Hiral Shah India If you think that my question is good enough and can be helpful for other then don't forget to vote. :)

                                        B 1 Reply Last reply
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                                        • H hiral_shah

                                          I can not open the file from server yet. Please tell me how can I open it??

                                          -------------------------------------------------------------------------------------------------- Hiral Shah India If you think that my question is good enough and can be helpful for other then don't forget to vote. :)

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                                          Bradml
                                          wrote on last edited by
                                          #23

                                          Ok I have been reading the function where you get data from the database. One thing that really strikes me is that you don't validate the data before you pass it to the database. This is incredibly important because otherwise people can execute any SQL commands they want (including stealing other people's files). Please go to http://www.phpsec.org[^] to learn more. I have now emailed you an updated copy of the script which should fix the problem you have but will not fix the security problem.


                                          Brad Australian - Christian Graus on "Best books for VBscript" A big thick one, so you can whack yourself on the head with it.

                                          H B 7 Replies Last reply
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