/*
** Compute the "mtime" of the file given whose blob.rid is "fid" that
** is part of check-in "vid". The mtime will be the mtime on vid or
** some ancestor of vid where fid first appears.
*/
int mtime_of_manifest_file(
int vid, /* The check-in that contains fid */
int fid, /* The id of the file whose check-in time is sought */
i64 *pMTime /* Write result here */
){
static int prevVid = -1;
static Stmt q;
if( prevVid!=vid ){
prevVid = vid;
db_multi_exec("DROP TABLE IF EXISTS temp.ok;"
"CREATE TEMP TABLE ok(x INTEGER PRIMARY KEY);");
compute_ancestors(vid, 100000000, 1);
}
db_static_prepare(&q,
"SELECT (max(event.mtime)-2440587.5)*86400 FROM mlink, event"
" WHERE mlink.mid=event.objid"
" AND +mlink.mid IN ok"
" AND mlink.fid=:fid");
db_bind_int(&q, ":fid", fid);
if( db_step(&q)!=SQLITE_ROW ){
db_reset(&q);
return 1;
}
*pMTime = db_column_int64(&q, 0);
db_reset(&q);
return 0;
}
/* Find or create a record the value of a column and return the id */
DBint64 id_of_with_insert(DB *db, const char *table, const char *column, const char *value, int *inserted)
{
DBStatement *select, *insert;
DBint64 id;
char sql[256];
snprintf(sql, sizeof(sql), "select id from %s where %s = ?;", table, column);
select = db_prep(db, sql);
db_bind_text(select, 1, value);
if (db_step(select) == DB_DONE) {
snprintf(sql, sizeof(sql), "insert into %s (%s) values (?);", table, column);
insert = db_prep(db, sql);
db_bind_text(insert, 1, value);
db_step(insert);
id = db_last_insert_rowid(db);
db_finalize(insert);
*inserted = TRUE;
} else {
id = db_column_int64(select, 0);
*inserted = FALSE;
}
db_finalize(select);
return id;
}
int find_row_id(DB *db, const char *table, const char *column, const char *value, DBint64 *r_id)
{
DBStatement *select;
char sql[256];
snprintf(sql, sizeof(sql), "select id from %s where %s = ?;", table, column);
select = db_prep(db, sql);
db_bind_text(select, 1, value);
if (db_step(select) == DB_DONE) {
/* No row found */
return 0;
} else {
*r_id = db_column_int64(select, 0);
}
db_finalize(select);
return 1;
}
/*
** Impl of /json/dir. 98% of it was taken directly
** from browse.c::page_dir()
*/
static cson_value * json_page_dir_list(){
cson_object * zPayload = NULL; /* return value */
cson_array * zEntries = NULL; /* accumulated list of entries. */
cson_object * zEntry = NULL; /* a single dir/file entry. */
cson_array * keyStore = NULL; /* garbage collector for shared strings. */
cson_string * zKeyName = NULL;
cson_string * zKeySize = NULL;
cson_string * zKeyIsDir = NULL;
cson_string * zKeyUuid = NULL;
cson_string * zKeyTime = NULL;
cson_string * zKeyRaw = NULL;
char * zD = NULL;
char const * zDX = NULL;
int nD;
char * zUuid = NULL;
char const * zCI = NULL;
Manifest * pM = NULL;
Stmt q = empty_Stmt;
int rid = 0;
if( !g.perm.Read ){
json_set_err(FSL_JSON_E_DENIED, "Requires 'o' permissions.");
return NULL;
}
zCI = json_find_option_cstr("checkin",NULL,"ci" );
/* If a specific check-in is requested, fetch and parse it. If the
** specific check-in does not exist, clear zCI. zCI==0 will cause all
** files from all check-ins to be displayed.
*/
if( zCI && *zCI ){
pM = manifest_get_by_name(zCI, &rid);
if( pM ){
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
}else{
json_set_err(FSL_JSON_E_UNRESOLVED_UUID,
"Checkin name [%s] is unresolved.",
zCI);
return NULL;
}
}
/* Jump through some hoops to find the directory name... */
zDX = json_find_option_cstr("name",NULL,NULL);
if(!zDX && !g.isHTTP){
zDX = json_command_arg(g.json.dispatchDepth+1);
}
if(zDX && (!*zDX || (0==strcmp(zDX,"/")))){
zDX = NULL;
}
zD = zDX ? fossil_strdup(zDX) : NULL;
nD = zD ? strlen(zD)+1 : 0;
while( nD>1 && zD[nD-2]=='/' ){ zD[(--nD)-1] = 0; }
sqlite3_create_function(g.db, "pathelement", 2, SQLITE_UTF8, 0,
pathelementFunc, 0, 0);
/* Compute the temporary table "localfiles" containing the names
** of all files and subdirectories in the zD[] directory.
**
** Subdirectory names begin with "/". This causes them to sort
** first and it also gives us an easy way to distinguish files
** from directories in the loop that follows.
*/
if( zCI ){
Stmt ins;
ManifestFile *pFile;
ManifestFile *pPrev = 0;
int nPrev = 0;
int c;
db_multi_exec(
"CREATE TEMP TABLE json_dir_files("
" n UNIQUE NOT NULL," /* file name */
" fn UNIQUE NOT NULL," /* full file name */
" u DEFAULT NULL," /* file uuid */
" sz DEFAULT -1," /* file size */
" mtime DEFAULT NULL" /* file mtime in unix epoch format */
");"
);
db_prepare(&ins,
"INSERT OR IGNORE INTO json_dir_files (n,fn,u,sz,mtime) "
"SELECT"
" pathelement(:path,0),"
" CASE WHEN %Q IS NULL THEN '' ELSE %Q||'/' END ||:abspath,"
" a.uuid,"
" a.size,"
" CAST(strftime('%%s',e.mtime) AS INTEGER) "
"FROM"
" mlink m, "
" event e,"
" blob a,"
" blob b "
"WHERE"
" e.objid=m.mid"
" AND a.rid=m.fid"/*FILE artifact*/
" AND b.rid=m.mid"/*CHECKIN artifact*/
" AND a.uuid=:uuid",
zD, zD
);
manifest_file_rewind(pM);
while( (pFile = manifest_file_next(pM,0))!=0 ){
if( nD>0
&& ((pFile->zName[nD-1]!='/') || (0!=memcmp(pFile->zName, zD, nD-1)))
){
continue;
}
/*printf("zD=%s, nD=%d, pFile->zName=%s\n", zD, nD, pFile->zName);*/
if( pPrev
&& memcmp(&pFile->zName[nD],&pPrev->zName[nD],nPrev)==0
&& (pFile->zName[nD+nPrev]==0 || pFile->zName[nD+nPrev]=='/')
){
continue;
}
db_bind_text( &ins, ":path", &pFile->zName[nD] );
db_bind_text( &ins, ":abspath", &pFile->zName[nD] );
db_bind_text( &ins, ":uuid", pFile->zUuid );
db_step(&ins);
db_reset(&ins);
pPrev = pFile;
for(nPrev=0; (c=pPrev->zName[nD+nPrev]) && c!='/'; nPrev++){}
if( c=='/' ) nPrev++;
}
db_finalize(&ins);
}else if( zD && *zD ){
db_multi_exec(
"CREATE TEMP VIEW json_dir_files AS"
" SELECT DISTINCT(pathelement(name,%d)) AS n,"
" %Q||'/'||name AS fn,"
" NULL AS u, NULL AS sz, NULL AS mtime"
" FROM filename"
" WHERE name GLOB '%q/*'"
" GROUP BY n",
nD, zD, zD
);
}else{
db_multi_exec(
"CREATE TEMP VIEW json_dir_files"
" AS SELECT DISTINCT(pathelement(name,0)) AS n, NULL AS fn"
" FROM filename"
);
}
if(zCI){
db_prepare( &q, "SELECT"
" n as name,"
" fn as fullname,"
" u as uuid,"
" sz as size,"
" mtime as mtime "
"FROM json_dir_files ORDER BY n");
}else{/* UUIDs are all NULL. */
db_prepare( &q, "SELECT n, fn FROM json_dir_files ORDER BY n");
}
zKeyName = cson_new_string("name",4);
zKeyUuid = cson_new_string("uuid",4);
zKeyIsDir = cson_new_string("isDir",5);
keyStore = cson_new_array();
cson_array_append( keyStore, cson_string_value(zKeyName) );
cson_array_append( keyStore, cson_string_value(zKeyUuid) );
cson_array_append( keyStore, cson_string_value(zKeyIsDir) );
if( zCI ){
zKeySize = cson_new_string("size",4);
cson_array_append( keyStore, cson_string_value(zKeySize) );
zKeyTime = cson_new_string("timestamp",9);
cson_array_append( keyStore, cson_string_value(zKeyTime) );
zKeyRaw = cson_new_string("downloadPath",12);
cson_array_append( keyStore, cson_string_value(zKeyRaw) );
}
zPayload = cson_new_object();
cson_object_set_s( zPayload, zKeyName,
json_new_string((zD&&*zD) ? zD : "/") );
if( zUuid ){
cson_object_set( zPayload, "checkin", json_new_string(zUuid) );
}
while( (SQLITE_ROW==db_step(&q)) ){
cson_value * name = NULL;
char const * n = db_column_text(&q,0);
char const isDir = ('/'==*n);
zEntry = cson_new_object();
if(!zEntries){
zEntries = cson_new_array();
cson_object_set( zPayload, "entries", cson_array_value(zEntries) );
}
cson_array_append(zEntries, cson_object_value(zEntry) );
if(isDir){
name = json_new_string( n+1 );
cson_object_set_s(zEntry, zKeyIsDir, cson_value_true() );
} else{
name = json_new_string( n );
}
cson_object_set_s(zEntry, zKeyName, name );
if( zCI && !isDir){
/* Don't add the uuid/size for dir entries - that data refers to
one of the files in that directory :/. Entries with no
--checkin may refer to N versions, and therefore we cannot
associate a single size and uuid with them (and fetching all
would be overkill for most use cases).
*/
char const * fullName = db_column_text(&q,1);
char const * u = db_column_text(&q,2);
sqlite_int64 const sz = db_column_int64(&q,3);
sqlite_int64 const ts = db_column_int64(&q,4);
cson_object_set_s(zEntry, zKeyUuid, json_new_string( u ) );
cson_object_set_s(zEntry, zKeySize,
cson_value_new_integer( (cson_int_t)sz ));
cson_object_set_s(zEntry, zKeyTime,
cson_value_new_integer( (cson_int_t)ts ));
cson_object_set_s(zEntry, zKeyRaw,
json_new_string_f("/raw/%T?name=%t",
fullName, u));
}
}
db_finalize(&q);
if(pM){
manifest_destroy(pM);
}
cson_free_array( keyStore );
free( zUuid );
free( zD );
return cson_object_value(zPayload);
}
/*
** Look at every VFILE entry with the given vid and set update
** VFILE.CHNGED field on every file according to whether or not
** the file has changes. 0 means no change. 1 means edited. 2 means
** the file has changed due to a merge. 3 means the file was added
** by a merge.
**
** If VFILE.DELETED is true or if VFILE.RID is zero, then the file was
** either removed from managemented via "vcs rm" or added via
** "vcs add", respectively, and in both cases we always know that
** the file has changed without having the check the size, mtime,
** or on-disk content.
**
** If the size of the file has changed, then we always know that the file
** changed without having to look at the mtime or on-disk content.
**
** The mtime of the file is only a factor if the mtime-changes setting
** is false and the useSha1sum flag is false. If the mtime-changes
** setting is true (or undefined - it defaults to true) or if useSha1sum
** is true, then we do not trust the mtime and will examine the on-disk
** content to determine if a file really is the same.
**
** If the mtime is used, it is used only to determine if files are the same.
** If the mtime of a file has changed, we still examine the on-disk content
** to see whether or not the edit was a null-edit.
*/
void vfile_check_signature(int vid, int notFileIsFatal, int useSha1sum){
int nErr = 0;
Stmt q;
Blob fileCksum, origCksum;
int useMtime = useSha1sum==0 && db_get_boolean("mtime-changes", 1);
db_begin_transaction();
db_prepare(&q, "SELECT id, %Q || pathname,"
" vfile.mrid, deleted, chnged, uuid, size, mtime"
" FROM vfile LEFT JOIN blob ON vfile.mrid=blob.rid"
" WHERE vid=%d ", g.zLocalRoot, vid);
while( db_step(&q)==SQLITE_ROW ){
int id, rid, isDeleted;
const char *zName;
int chnged = 0;
int oldChnged;
i64 oldMtime;
i64 currentMtime;
i64 origSize;
i64 currentSize;
id = db_column_int(&q, 0);
zName = db_column_text(&q, 1);
rid = db_column_int(&q, 2);
isDeleted = db_column_int(&q, 3);
oldChnged = chnged = db_column_int(&q, 4);
oldMtime = db_column_int64(&q, 7);
currentSize = file_wd_size(zName);
origSize = db_column_int64(&q, 6);
currentMtime = file_wd_mtime(0);
if( chnged==0 && (isDeleted || rid==0) ){
/* "vcs rm" or "vcs add" always change the file */
chnged = 1;
}else if( !file_wd_isfile_or_link(0) && currentSize>=0 ){
if( notFileIsFatal ){
vcs_warning("not an ordinary file: %s", zName);
nErr++;
}
chnged = 1;
}
if( origSize!=currentSize ){
if( chnged!=1 ){
/* A file size change is definitive - the file has changed. No
** need to check the mtime or sha1sum */
chnged = 1;
}
}else if( chnged==1 && rid!=0 && !isDeleted ){
/* File is believed to have changed but it is the same size.
** Double check that it really has changed by looking at content. */
assert( origSize==currentSize );
db_ephemeral_blob(&q, 5, &origCksum);
if( sha1sum_file(zName, &fileCksum) ){
blob_zero(&fileCksum);
}
if( blob_compare(&fileCksum, &origCksum)==0 ) chnged = 0;
blob_reset(&origCksum);
blob_reset(&fileCksum);
}else if( chnged==0 && (useMtime==0 || currentMtime!=oldMtime) ){
/* For files that were formerly believed to be unchanged, if their
** mtime changes, or unconditionally if --sha1sum is used, check
** to see if they have been edited by looking at their SHA1 sum */
assert( origSize==currentSize );
db_ephemeral_blob(&q, 5, &origCksum);
if( sha1sum_file(zName, &fileCksum) ){
blob_zero(&fileCksum);
}
if( blob_compare(&fileCksum, &origCksum) ){
chnged = 1;
}
blob_reset(&origCksum);
blob_reset(&fileCksum);
}
if( currentMtime!=oldMtime || chnged!=oldChnged ){
db_multi_exec("UPDATE vfile SET mtime=%lld, chnged=%d WHERE id=%d",
currentMtime, chnged, id);
}
}
db_finalize(&q);
if( nErr ) vcs_fatal("abort due to prior errors");
db_end_transaction(0);
}
/*
** Generates an artifact Object for the given rid,
** which must refer to a Checkin.
**
** Returned value is NULL or an Object owned by the caller.
*/
cson_value * json_artifact_for_ci( int rid, char showFiles ){
cson_value * v = NULL;
Stmt q = empty_Stmt;
static cson_value * eventTypeLabel = NULL;
if(!eventTypeLabel){
eventTypeLabel = json_new_string("checkin");
json_gc_add("$EVENT_TYPE_LABEL(commit)", eventTypeLabel);
}
db_prepare(&q,
"SELECT b.uuid, "
" cast(strftime('%%s',e.mtime) as int), "
" strftime('%%s',e.omtime),"
" e.user, "
" e.comment"
" FROM blob b, event e"
" WHERE b.rid=%d"
" AND e.objid=%d",
rid, rid
);
if( db_step(&q)==SQLITE_ROW ){
cson_object * o;
cson_value * tmpV = NULL;
const char *zUuid = db_column_text(&q, 0);
const char *zUser;
const char *zComment;
char * zEUser, * zEComment;
i64 mtime, omtime;
v = cson_value_new_object();
o = cson_value_get_object(v);
#define SET(K,V) cson_object_set(o,(K), (V))
SET("type", eventTypeLabel );
SET("uuid",json_new_string(zUuid));
SET("isLeaf", cson_value_new_bool(is_a_leaf(rid)));
mtime = db_column_int64(&q,1);
SET("timestamp",json_new_int(mtime));
omtime = db_column_int64(&q,2);
if(omtime && (omtime!=mtime)){
SET("originTime",json_new_int(omtime));
}
zUser = db_column_text(&q,3);
zEUser = db_text(0,
"SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
TAG_USER, rid);
if(zEUser){
SET("user", json_new_string(zEUser));
if(0!=fossil_strcmp(zEUser,zUser)){
SET("originUser",json_new_string(zUser));
}
free(zEUser);
}else{
SET("user",json_new_string(zUser));
}
zComment = db_column_text(&q,4);
zEComment = db_text(0,
"SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
TAG_COMMENT, rid);
if(zEComment){
SET("comment",json_new_string(zEComment));
if(0 != fossil_strcmp(zEComment,zComment)){
SET("originComment", json_new_string(zComment));
}
free(zEComment);
}else{
SET("comment",json_new_string(zComment));
}
tmpV = json_parent_uuids_for_ci(rid);
if(tmpV){
SET("parents", tmpV);
}
tmpV = json_tags_for_checkin_rid(rid,0);
if(tmpV){
SET("tags",tmpV);
}
if( showFiles ){
tmpV = json_get_changed_files(rid, 1);
if(tmpV){
SET("files",tmpV);
}
}
#undef SET
}
db_finalize(&q);
return v;
}
