533112afe2a2005e80cdb1f82904ea65032d4302
braney
  Sat Oct 2 11:37:34 2021 -0700
split hg/lib into two separate libaries, one only used by the cgis

diff --git src/hg/lib/sessionThumbnail.c src/hg/lib/sessionThumbnail.c
deleted file mode 100644
index 7dc9061..0000000
--- src/hg/lib/sessionThumbnail.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/* sessionThumbnail - get the filename, filesystem path, and web URI
- * for the thumbnail image associated with a session.
- *
- * Copyright (C) 2016 The Regents of the University of California 
- * See README in this or parent directory for licensing information. */
-
-#include "common.h"
-#include "dystring.h"
-#include "hash.h"
-#include "trashDir.h"
-#include "hgConfig.h"
-#include "md5.h"
-
-#define IMGDIR_OPTION "sessionThumbnail.imgDir"
-#define WEBPATH_OPTION "sessionThumbnail.webPath"
-
-void sessionBuildThumbnailFilePaths(struct tempName *thumbnailPath, char *userIdentifier,
-                                  char *encSessionName, char *firstUse)
-/* Populate thumbnailPath with paths to the thumbnail image for the specified session.
- * The basename of the thumbnail image is based on several pieces of data on the session:
- * userIdentifier is an ID for the user that is suitable for being part of a filename and
- * presumed to be unique,
- * encSessionName is the cgi-encoded session name,
- * and firstUse is the mysql-formatted time string for the session's creation date.
- * Leaks memory via a dyString. */
-{
-struct dyString *base = dyStringCreate("hgPS_%s_%u_%ld",
-    userIdentifier, hashString(encSessionName), dateToSeconds(firstUse, "%Y-%m-%d %T"));
-char *imgDir = cfgOption(IMGDIR_OPTION);
-char *webPath = cfgOption(WEBPATH_OPTION);
-if (imgDir != NULL && webPath != NULL)
-    {
-    makeDirsOnPath(imgDir);
-    safef(thumbnailPath->forCgi, sizeof(thumbnailPath->forCgi), "%s%s%s.png", imgDir,
-        lastChar(thumbnailPath->forCgi) == '/' ? "" : "/",
-        dyStringContents(base));
-    safef(thumbnailPath->forHtml, sizeof(thumbnailPath->forCgi), "%s%s%s.png", imgDir,
-        lastChar(thumbnailPath->forCgi) == '/' ? "" : "/",
-        dyStringContents(base));
-    }
-else if (imgDir != NULL || webPath != NULL)
-    {
-    errAbort("Error with session thumbnail path configuration.  "
-        "Either both %s and %s should be set in hg.conf or neither.",
-        IMGDIR_OPTION, WEBPATH_OPTION);
-    }
-else
-    trashDirReusableFile(thumbnailPath, "hgPS", dyStringContents(base), ".png");
-}
-
-char *sessionThumbnailFilePath(char *userIdentifier, char *encSessionName,
-                               char *firstUse)
-/* Returns the path to the thumbnail image of the specified session as seen by CGIs.
- * Result must be freed. */
-{
-struct tempName thumbnailPath;
-sessionBuildThumbnailFilePaths(&thumbnailPath, userIdentifier, encSessionName, firstUse);
-return cloneString(thumbnailPath.forCgi);
-}
-
-char *sessionThumbnailFileUri(char *userIdentifier, char *encSessionName,
-                              char *firstUse)
-/* Returns the path to the thumbnail image of the specified session as seen by web viewers.
- * Result must be freed. */
-{
-struct tempName thumbnailPath;
-sessionBuildThumbnailFilePaths(&thumbnailPath, userIdentifier, encSessionName, firstUse);
-return cloneString(thumbnailPath.forHtml);
-}
-
-
-char *sessionThumbnailGetUserIdentifier(char *userName, char *userIdx)
-{
-/* If the user index is NULL (e.g., because the authentication server is
- *  remote and it couldn't be retrieved), fake a unique identifier with an md5sum.
- *  Be nice to just go straight to the md5sum, but must be backwards compatible with
- *  thumbnails generated with the old identifier strings. */
-if (userIdx != NULL)
-    return cloneString(userIdx);
-else
-    return md5HexForString(userName);
-}