Peter M. Groen / knowledgetree

Commit e26262a5843444ee3b72dd8bda1523829934ad46

Authored by Neil Blakey-Milner
1 parent 5471dbfc

Give the MIME functions from PhysicalDocumentManager a temporary home. 


git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@3591 c91229c3-7414-0410-bfa2-8a42b809f60b
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Showing 1 changed file with 106 additions and 0 deletions
lib/mime.inc.php 0 → 100644
  View file @e26262a
  1 +<?php
  2 +
  3 +/**
  4 + * This is a temporary location for these functions.
  5 + */
  6 +
  7 +class KTMime {
  8 + /**
  9 + * Get the mime type primary key for a specific mime type
  10 + *
  11 + * @param string detected mime type
  12 + * @param string filename
  13 + * @return int mime type primary key if found, else default mime type primary key (text/plain)
  14 + */
  15 + function getMimeTypeID($sMimeType, $sFileName) {
  16 + global $default;
  17 + $sql = $default->db;
  18 + $bOfficeDocument = false;
  19 +
  20 + // application/msword seems to be set by all Office documents
  21 + if ($sMimeType == "application/msword") {
  22 + $bOfficeDocument = true;
  23 + }
  24 +
  25 + if ($bOfficeDocument || (!$sMimeType)) {
  26 + // check by file extension
  27 + $sExtension = KTMime::stripAllButExtension($sFileName);
  28 + $sql->query(array("SELECT id FROM " . $default->mimetypes_table . " WHERE LOWER(filetypes) = ?", $sExtension));/*ok*/
  29 + if ($sql->next_record()) {
  30 + return $sql->f("id");
  31 + }
  32 + }
  33 +
  34 + // get the mime type id
  35 + if (isset($sMimeType)) {
  36 + $sql->query(array("SELECT id FROM " . $default->mimetypes_table . " WHERE mimetypes = ?", $sMimeType));/*ok*/
  37 + if ($sql->next_record()) {
  38 + return $sql->f("id");
  39 + }
  40 + }
  41 +
  42 + //otherwise return the default mime type
  43 + return KTMime::getDefaultMimeTypeID();
  44 + }
  45 +
  46 + /**
  47 + * Get the default mime type, which is text/plain
  48 + *
  49 + * @return int default mime type
  50 + *
  51 + */
  52 + function getDefaultMimeTypeID() {
  53 + global $default;
  54 + $sql = $default->db;
  55 + $sql->query("SELECT id FROM " . $default->mimetypes_table . " WHERE mimetypes = 'text/plain'");/*ok*/
  56 + $sql->next_record();
  57 + //get the mime type id
  58 + return $sql->f("id");
  59 + }
  60 +
  61 + function getMimeTypeName($iMimeTypeID) {
  62 + global $default;
  63 + $sql = $default->db;
  64 + $sql->query(array("SELECT mimetypes FROM " . $default->mimetypes_table . " WHERE id = ?", $iMimeTypeID));/*ok*/
  65 + if ($sql->next_record()) {
  66 + return $sql->f("mimetypes");
  67 + }
  68 + return "application/octet-stream";
  69 + }
  70 +
  71 + /**
  72 + * Try well-defined methods for getting the MIME type for a file on disk.
  73 + * First try PECL's Fileinfo library, then try mime_content_type() builtin.
  74 + * If neither are available, returns NULL.
  75 + *
  76 + * @param string file on disk
  77 + * @return string mime time for given filename, or NULL
  78 + */
  79 + function getMimeTypeFromFile($sFileName) {
  80 + if (extension_loaded('fileinfo')) {
  81 + $res = finfo_open(FILEINFO_MIME);
  82 + $sType = finfo_file($res, $sFileName);
  83 + }
  84 +
  85 + if (!$sType && function_exists('mime_content_type')) {
  86 + $sType = @mime_content_type($sFileName);
  87 + }
  88 +
  89 + if ($sType) {
  90 + return preg_replace('/;.*$/', '', $sType);
  91 + }
  92 +
  93 + return NULL;
  94 + }
  95 +
  96 + /**
  97 + * Strip all but the extension from a file. For instance, input of
  98 + * 'foo.tif' would return 'tif'.
  99 + *
  100 + * @param string filename
  101 + * @return string extension for given file, without filename itself
  102 + */
  103 + function stripAllButExtension($sFileName) {
  104 + return strtolower(substr($sFileName, strpos($sFileName, ".")+1, strlen($sFileName) - strpos($sFileName, ".")));
  105 + }
  106 +}